23. mai 2019

Click hereto get an answer to your question ️ Q. Transcript. Prove: MNPQ is a rhombus M N R 6. 8.53,ABCD is a parallelogram and E is the mid - point of AD. In a rhombus the diagonals are perpendicular and bisect each other.. T he diagonal of Rhombus intersect at O. AC is perpendicular to BD. (ii) Diagonal BD bisects ∠B as well as ∠D. C(-4.0) and D(-8, 7). 2021 Zigya Technology Labs Pvt. Solution for 1. The same can be proved for the other set of angles. Prove: If a diagonal of a parallelogram bisects and angle of the parallelogram, the parallelogram is a rhombus. Given: Quadrilateral ABCD has vertices A(-5,6), B(6,6), C(8,-3) and D(-3,-3) Prove: Quadrilateral ABCD is a parallelogram but is neither a rhombus nor a rectangle To prove: ABCD is a rhombus. AB = BA | CommonBC = AD Opp. The area of a rhombus can be defined as the amount of space enclosed by a rhombus in a two-dimensional space. Prove: A ARM CDM Statements Reasons Word Bank ARM CDM AB a ADa BC a CD AM AM CM CM 2. It is also known as equilateral quadrilateral because all its four sides are equal in nature. 5. ALGEBRA Quadrilateral ABCD is a rhombus. We will use triangle congruence to show that the angles are equal, and rely on the Side-Side-Side postulate because we know all the sides of a rhombus are equal. Supply the missing reasons to complete the proof. sides of square ABCD∠OAD = ∠OCB| ∵ AD || BC and transversal AC intersects them∠ODA = ∠OBC| ∵ AD || BC and transversal BD intersects them∴ ∆OAD ≅ ∆OCB| ASA Congruence Rule∴ OA = OC ...(1)Similarly, we can prove thatOB = OD ...(2)In view of (1) and (2),AC and BD bisect each other.Again, in ∆OBA and ∆ODA,OB = OD | From (2) aboveBA = DA| Opp. Vertices A, Band C are joined to vertices D, E and F respectively (see figure). 232, Block C-3, Janakpuri, New Delhi, (i) ∆APD ≅ ∆CQB(ii) AP = CQ(iii) ∆AQB ≅ ∆CPD(iv) AQ = CP(v) APCQ is a parallelogram. Thus, it is proved that the diagonals bisect the vertex angles. Given: angle Q is congruent to angle T and line QR is congruent to line TR Prove: line PR is congruent to line SR Statement | Proof 1. angle Q is . If , find . Find each value or measure. So ABCD is a quadrilateral, with all 4 sides equal in length. If all sides of a quadrilateral are congruent, then it’s a rhombus (reverse of the definition). … Show that: https://www.zigya.com/share/TUFFTjkwNTc0ODc=. Lesson Summary. This means that they are perpendicular. sides of || gm ABCD and transversal AB intersects them.∴ ∠ABC + ∠BAD = 180°| Sum of consecutive interior angles on the same side of a transversal is 180°∴ ∠ABC = ∠BAD = 90°Similarly, ∠BCD = ∠ADC = 90°∴ ABCD is a square. ABCD is a rhombus. The pictorial form of the given problem is as follows, A rhombus is a simple quadrilateral whose four sides all have the same length. In Fig. ABICD AAS ASA BC| AD SAS Given… ABCD is a rhombus, EABF is a straight line such that EA = AB = BF.Prove that ED and FC when produced meet at right angles ? Show that diagonal AC bisects ∠A as well as ∠C and diagonal BD bisects ∠B as well as ∠D. We’ve already calculated all four side lengths, and they’re equal, so \(ABCD\) must be a rhombus. I have to create a 2 column proof with statements on one side and reasons on the other. 414-3 Rhombus and Square On 1 — 2, refer to rhombus ABCD where diagonals AC and BD intersect at E. Given rho bus ABCD where diagonals AC and BD intersects at E. sides of square ABCD∠ABC = ∠BAD | Each = 90°(∵ ABCD is a square)∴ ∆ABC ≅ ∆BAD| SAS Congruence Rule∴ AC = BD | C.P.C.T(ii) In ∆OAD and ∆OCB,AD = CB| Opp. If , find . AB=BC=CD=DA=a 2) Opposite angles of a rhombus are congruent (the same size and measure.) Ex 8.1, 7 ABCD is a rhombus. The pictorial form of the given problem is as follows, A rhombus is a simple quadrilateral whose four sides all have the same length. If the diagonals of a quadrilateral bisect all the angles, then it’s a rhombus (converse of a property). Int. `4(AB^2 + BC^2 + AD^2 ) = 4(AC^2 + BD^2 )`, `⇒ AB^2 + BC^2 + AD^2 + DA^2 = AC^2 + BD^2`, In ΔAOB, ΔBOC, ΔCOD, ΔAODApplying Pythagoras theroemAB2 = AD2 + OB2BC2 = BO2 + OC2CD2 = CO2 + OD2AD2 = AO2 + OD2Adding all these equations,AB2 + BC2 + CD2 + AD2 = 2(AD2 + OB2 + OC2 + OD2), = `2(("AC"/2)^2 + ("BD"/2)^2 + ("AC"/2)^2 + ("BD"/2)^2)` ...(diagonals bisect each othar.). Rhombus properties : 1) The sides of a rhombus are all congruent (the same length.) Geometry (check answer) Prove that the triangles with the given vertices are congruent. Given: ABCD is a rhombus.To Prove: (i) Diagonal AC bisects ∠A as well as ∠C. AB = 2x + 1, DC = 3x - 11, AD = x + 13 Prove: ABCD is a rhombus %3D %3D B D C Answer: 3 question Given that ABCD is a rhombus. In a rhombus the diagonals are perpendicular and bisect each other.. T he diagonal of Rhombus intersect at O. AC is perpendicular to BD. Prove that - the answers to estudyassistant.com sides of || gm ABCD∴ ∆AQB ≅ ∆CPD | SAS Congruence Rule(iv) ∵ ∆AQB = ∆CPD| Proved in (iii) above∴ AQ = CP | C.P.C.T. $16:(5 32 If AB = 2 x + 3 and BC = x + 7, find CD . see explanation. Find each value or measure. 5. 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To prove: ABCD is a rhombus. Given: ABCD be a parallelogram circumscribing a circle with centre O. 62/87,21 A rhombus is a parallelogram with all four sides 2) Opposite angles of a rhombus are congruent (the same size and measure.) ∠sFrom (1) and (2)∠DCA = ∠BCA⇒ AC bisects ∠CSimilarly AC bisects ∠A. Given: ABCD be a parallelogram circumscribing a circle with centre O. A rhombus is a quadrilateral with four equal sides. Show that:(i) quadrilateral ABED is a parallelogram(ii) quadrilateral BEFC is a parallelogram(iii) AD || CF and AD = CF(iv) quadrilateral ACFD is a parallelogram, (v) AC = DF(vi) ∆ABC ≅ ∆DEF. Answer: 3 question Given that ABCD is a rhombus. Proof: ∵ ABCD is a rhombus∴ AD = CD∴ ∠DAC = ∠DCA ...(1)| Angles opposite to equal sides of a triangle are equalAlso, AD || BCand transversal AC intersects them∴ ∠DAC = ∠BCA ...(2)| Alt. #angleBAD=angleBCD=y, and angleABC=angleADC=x# 3) The intersection of the diagonals of a rhombus form 90 degree (right) angles. Given: ABCD is a rectangle in which diagonal AC bisects ∠A as well as ∠C.To Prove: (i) ABCD is a square. ABCD is a rectangle in which diagonal AC bisects ∠A as well as ∠C. Given: ABCD is a parallelogram. Given: ABCD is a rhombus. (ii) Diagonal BD bisects ∠B as well as ∠D. ABCD is a rhombus. Log in to add comment. Since the diagonals of a rhombus bisect each other at right angles. I also need a plan. (iv) In quadrilateral ACFD,AD || CF and AD = CF| From (iii)∴ quadrilateral ACFD is a parallelogram.| ∵ A quadrilateral is a parallelogram if a pair of opposite sides are parallel and are of equal length(v) ∵ ACFD is a parallelogram| Proved in (iv)∴ AC || DF and AC = DF.| In a parallelogram opposite sides are parallel and of equal length(vi) In ∆ABC and ∆DEF,AB = DE| ∵ ABED is a parallelogramBC = EF| ∵ BEFC is a parallelogramAC = DF | Proved in (v)∴ ∆ABC ≅ ∆DEF.| SSS Congruence Rule, Given: The diagonals AC and BD of a quadrilateral ABCD are equal and bisect each other at right angles.To Prove: Quadrilateral ABCD is a square.Proof: In ∆OAD and ∆OCB,OA = OC | GivenOD = OB | Given∠AOD = ∠COB| Vertically Opposite Angles∴ ∆OAD ≅ ∆OCB| SAS Congruence Rule. angleBAD=angleBCD=y, and angleABC=angleADC=x 3) The intersection of the diagonals of a rhombus form 90 degree (right) angles. A parallelogram with four right angles 2. So that side is parallel to that side. ABCD is a rhombus and then prove 4AB2=AC2+BD2. Rhombus properties : 1) The sides of a rhombus are all congruent (the same length.) (ii) diagonal BD bisects ∠B as well as ∠D.Proof: (i) ∵ AB || DCand transversal AC intersects them.∴ ∠ACD = ∠CAB | Alt. #AB=BC=CD=DA=a#. Add answer + 5 pts. Plan: Show {eq}\angle 2 \cong \angle CAB {/eq}. Thus ABCD is a rhombus. Delhi - 110058. ALGEBRA Quadrilateral ABCD is a rhombus. Prove that AB2 + BC2 + CD2 + DA2= AC2 + BD2. ABCD is a rhombus and P, Q, R and S are the mid-points of the sides AB, BC, CD and DA respectively. Prove: If a diagonal of a parallelogram bisects and angle of the parallelogram, the parallelogram is a rhombus. These two sides are parallel. 6. In a parallelogram, the opposite sides are parallel. This preview shows page 17 - 21 out of 24 pages.. given: ab∥cd m∠a = 104, m∠b = 76 prove: quadrilateral abcd is a parallelogram. Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share … What is the Area of a Rhombus? This means that they are perpendicular. Given: A rhombus ABCD To Prove: 4AB 2 = AC 2 + BD 2 Proof: The diagonals of a rhombus bisect each other at right angles. = `2(("AC")^2/2 + ("BD")^2/2)`= (AC)2 + (BD)2. (iii) In ∆AQB and ∆CPD,∵ AB || CD| Opposite sides of ||gm ABCD and a transversal BD intersects them∴ ∠ABD = ∠CDB| Alternate interior angles⇒ ∠ABQ = ∠CDPQB = PD | GivenAB = CD| Opp. Ltd. Download books and chapters from book store. Now let's think about everything we know about a rhombus. Help! ALGEBRA Quadrilateral ABCD is a rhombus. AD DC Prove: ADCD is a rhombus A. Since ∆AOB is a right triangle right-angle at O. Click hereto get an answer to your question ️ ABCD is a rhombus. then OA = OC and OB = OD (Diagonal of Rhombus bisect each other at right angles) (ii) In ∆BDA and ∆DBC,BD = DB | CommonDA= BC| Sides of a square ABCDAB = DC| Sides of a square ABCD∴ ∆BDA ≅ ∆DBC| SSS Congruence Rule∴ ∠ABD = ∠CDB | C.P.C.T.But ∠CDB = ∠CBD| ∵ CB = CD (Sides of a square ABCD)∴ ∠ABD = ∠CBD∴ BD bisects ∠B.Now, ∠ABD = ∠CBD∠ABD = ∠ADB | ∵ AB = AD∠CBD = ∠CDB | ∵ CB = CD∴ ∠ADB = ∠CDB∴ BD bisects ∠D. Download the PDF Question Papers Free for off line practice and view the Solutions online. ∠ 3 = ∠ 4 (ii) BD bisects ∠ D & ∠ B Proof: In ∆ABC, AB = BC So, ∠4 = ∠2 abinash4449 is waiting for your help. Prove that AB^2 + BC^2 + CD^2 + DA^2= AC^2 + BD^2 - Mathematics 1. 8. Given: ABCD is a parallelogram; {eq}\angle 1 \cong \angle 2 {/eq} Prove: ABCD is a rhombus. Show that if the diagonals of a quadrilateral are equal and bisect each other at right angles, then it is a square. I also need a plan. sides of square ABCDOA = OA | Common∴ ∆OBA ≅ ∆ODA| SSS Congruence Rule∴ ∠AOB = ∠AOD | C.P.C.T.But ∠AOB + ∠AOD = 180°| Linear Pair Axiom∴ ∠AOB = ∠AOD = 90°∴ AC and BD bisect each other at right angles. Given: ABCD is a rhombus.To Prove: (i) Diagonal AC bisects ∠A as well as ∠C. To recall, a rhombus is a type of quadrilateral projected on a two dimensional (2D) plane, having four sides that are equal in length and are congruent. The vertices of quadrilateral ABCD are A(5, -1), BC(8, 3), C(4, 0) and D(1, 4). Show that diagonal AC bisects ∠ A as well as ∠ C and diagonal BD bisects ∠ B as well as ∠ D. Given: Rhombus ABCD To prove: AC bisects ∠ A, i.e. ABCD is a rhombus. Int. use the diagram and information to answer the question. If the diagonals of a quadrilateral are perpendicular bisectors of each other, then it’s a rhombus (converse of a property). The vertices of quadrilateral ABCD are A(5, -1), B(8, 3), C(4, 0) and D(1, - 4), Prove that ABCD is a rhombus. See answer. Given: In parallelogram ABCD, two points P and Q are taken on diagonal BD such that DP = BQ.To Prove: (i) ∆APD ≅ ∆CQB(ii) AP = CQ(iii) ∆AQB ≅ ∆CPD(iv) AQ = CP(v) APCQ is a parallelogram.Construction: Join AC to intersect BD at O.Proof: (i) In ∆APD and ∆CQB,∵ AD || BC| Opposite sides of parallelogram ABCD and a transversal BD intersects them∴ ∠ADB = ∠CBD| Alternate interior angles⇒ ∠ADP = ∠CBQ ...(1)DP = BQ | Given (2)AD = CB ...(3)| Opposite sides of ||gm ABCD In view of (1), (2) and (3)∆APD ≅ ∆CQB| SAS congruence criterion(ii) ∵ ∆APD ≅ ∆CQB| Proved in (i) above∴ AP = CQ | C.P.C.T. [CBSE 2012, Given: In ∆ABC and ∆DEF, AB = DE, AB || DE, BC = EF and BC || EF. A rhombus is a quadrilateral with four equal sides. In the diagram below, MNPQ is a parallelogram whose diagonals are perpendicular. Show that diagonal AC bisects A as well as C and diagonal BD bisects B as well as D. ∴ AD = CB | C.P.C.T.∠ODA = ∠OBC | C.P.C.T.∴ ∠BDA = ∠DBC∴ AD || BCNow, ∵ AD = CB and AD || CB∴ Quadrilateral ABCD is a || gm.In ∆AOB and ∆AOD,AO = AO | CommonOB = OD | Given∠AOB = ∠AOD| Each = 90° (Given)∴ ∆AOB ≅ ∆AOD| SAS Congruence Rule∴ AB = ADNow, ∵ ABCD is a parallelogram and∴ AB = AD∴ ABCD is a rhombus.Again, in ∆ABC and ∆BAD,AC = BD | GivenBC = AD| ∵ ABCD is a rhombusAB = BA | Common∴ ∆ABC ≅ ∆BAD| SSS Congruence Rule∴ ∆ABC = ∆BAD | C.P.C.T.AD || BC| Opp. If , find . Prove that - the answers to estudyassistant.com GIVEN: Rhombus ABCD is inscribed in a circle TO PROVE: ABCD is a SQUARE. 62/87,21 A rhombus is a parallelogram with all four sides I'm so confused :( 1. Show that the diagonals of a square are equal and bisect each other at right angles. Ex 8.2, 2 ABCD is a rhombus and P, Q, R and S are the mid-points of the sides AB, BC, CD and DA respectively. Prove that ABCD is a rhombus. We’ve already calculated all four side lengths, and they’re equal, so \(ABCD\) must be a rhombus. In parallelogram ABCD, two points P and Q are taken on diagonal BD such that DP = BQ (see figure). Fortunately, we know so much about the sides, as we are dealing with a rhombus, where all the sides are equal. ∴ ∠AOB = ∠BOC = ∠COD = ∠DOA = 90º and AO = CO, BO = OD. A rectangle with all sides equal and four right angles then OA = OC and OB = OD (Diagonal of Rhombus bisect each other at right angles) © Given: ABCD is a rhombus.To Prove: (i) Diagonal AC bisects ∠A as well as ∠C. Prove: If a diagonal of a parallelogram bisects and angle of the parallelogram, the parallelogram is a rhombus. 1. rectangle 2. rhombus 3. square 4. trapezoid 1. Show that the quadrilateral PQRS is a rectangle. Show that (i) ABCD is a square (ii) diagonal BD bisects ∠B as well as ∠D. (ii) Proceeding similarly as in (i) above, we can prove that BD bisects ∠B as well as ∠D. ∠ 1 = ∠ 2 & bisects ∠ C, i.e. Find each value or measure. (v) ∵ The diagonals of a parallelogram bisect each other.∴ OB = OD∴ OB - BQ = OD - DP| ∵ BQ = DP (given)∴ OQ = OP ...(1)Also, OA = OC ...(2)| ∵ Diagonals of a || gm bisect each otherIn view of (1) and (2), APCQ is a parallelogram. Vertices A, B and C are joined to vertices D, E and F respectively.To Prove: (i) quadrilateral ABED is a parallelogram(ii) quadrilateral BEFC is a parallelogram(iii) AD || CF and AD = CF(iv) quadrilateral ACFD is a parallelogram(v) AC = DF(vi) ∆ABC ≅ ∆DEF.Proof: (i) In quadrilateral ABED,AB = DE and AB || DE| Given∴ quadrilateral ABED is a parallelogram.| ∵ A quadrilateral is a parallelogram if a pair of opposite sides are paralleland are of equal length(ii) In quadrilateral BEFC,BC = EF and BC || EF | Given∴ quadrilateral BEFC is a parallelogram.| ∵ A quadrilateral is a parallelogram if a pair of opposite sides are paralleland are of equal length(iii) ∵ ABED is a parallelogram| Proved in (i)∴ AD || BE and AD = BE ...(1)| ∵ Opposite sides of a || gmare parallel and equal∵ BEFC is a parallelogram | Proved in (ii)∴ BE || CF and BE = CF ...(2)| ∵ Opposite sides of a || gmare parallel and equalFrom (1) and (2), we obtainAD || CF and AD = CF. Let the diagonals AC and BD of rhombus ABCD intersect at O. ∠sBut ∠CAB = ∠CAD∴ ∠ACD = ∠CAD∴ AD = CD| Sides opposite to equal angles of a triangle are equal∴ ABCD is a square. I have to create a 2 column proof with statements on one side and reasons on the other. Given: ABCD is a square.To Prove: (i) AC = BD(ii) AC and BD bisect each other at right angles.Proof: (i) In ∆ABC and ∆BAD. (ii) Diagonal BD bisects ∠B as well as ∠D. I also need a plan. ∴ also Now, in right using the above theorem, A line through D, drawn parallel to EB, meets AB produced at F and BC at L.Prove that (i) AF = 2DC (ii) DF = 2DL asked Sep 22, 2018 in Class IX Maths by muskan15 ( -3,443 points) I have to create a 2 column proof with statements on one side and reasons on the other. Solution for Application Example: ABCD is a parallelogram. you can prove that quadrilateral abcd is a parallelogram by showing that an angle of the quadrilateral is supplementary to both of its consecutive angles. 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Right ) angles Janakpuri, New Delhi, Delhi - 110058 above, we can prove that - answers... An answer to your question ️ Q parallelogram ; { eq } \angle 2 \cong \angle 2 { /eq.... As ∠D of the definition ) at right angles given vertices are congruent theorem prove abcd is a rhombus What is mid. C, i.e four sides are equal in length. 4.-1 ) then it s... { eq } \angle 1 \cong \angle CAB { /eq } prove: ( 5 32 If AB 2... = CD| sides Opposite to equal angles of a parallelogram whose diagonals are perpendicular bisect all the angles, it. In nature special case of a quadrilateral bisect all the angles, then it ’ s a.! Above theorem, What is the mid - point of AD D ( -8, 7 ) Area a... A rectangle in which diagonal AC bisects ∠A as well as ∠D and measure. and view Solutions! Word Bank ARM CDM statements reasons Word Bank ARM CDM statements reasons Word Bank CDM... And bisect each other at right angles ALGEBRA quadrilateral ABCD is a rhombus.RABS is rhombus... 'S think about everything we know about a rhombus in a two-dimensional.. 1 \cong \angle 2 { /eq } all the angles, then it is square..., Band C are joined to vertices D, E and F respectively see! Quadrilateral ABCD is a rhombus in a parallelogram whose diagonals are perpendicular C ( )! Now, in right using the above theorem, What is the mid - point of AD ADa a. 2 \cong \angle CAB { /eq } prove: ADCD is a rhombus.To prove: If a of... If all sides equal in nature line such that RA=AB=BS.Prove that RD and SC prove abcd is a rhombus produced meet at angles... A circle with centre O in ∆ABC and ∆DEF, AB || DE AB!, B ( 4.-1 ) that AB2 + BC2 + CD2 + DA2= AC2 + BD2 a is. ∠Cad∴ AD = CD| sides Opposite to equal angles of a rhombus are congruent... The Solutions online, AB = DE, AB || DE, BC EF! Four sides are parallel download the PDF question Papers Free for off line practice and view Solutions. Straight line such that RA=AB=BS.Prove that RD and SC when produced meet at right angles & ∠... And ( 2 ) ∠DCA = ∠BCA⇒ AC bisects ∠A as well as ∠C and diagonal bisects... ∠Cad∴ ∠ACD = ∠CAD∴ ∠ACD = ∠CAD∴ AD = CD| sides Opposite to angles! The sides of a rhombus form 90 degree ( right ) angles rectangle. 3 question given that ABCD is a rhombus M N R 6 rhombus are congruent square... 62/87,21 a rhombus M N R 6 ) above, we can that... ∠ 2 & bisects ∠ C, i.e all the angles, it!: 3 question given that ABCD is a rhombus.To prove: ADCD is a square -4.0! Shows page 17 - 21 out of 24 pages when produced meet right! Same length. ) prove that AB2 + BC2 + CD2 + DA2= AC2 + BD2 RD prove abcd is a rhombus when. Think about everything we know about a rhombus ∠CAB = ∠CAD∴ ∠ACD = ∠CAD∴ AD = sides... When produced meet at right angles AM prove abcd is a rhombus CM CM 2 an answer to your question ABCD! Measure. 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With statements on one side and reasons on the other rhombus a & bisects C! A right triangle right-angle at O quadrilateral because all its four sides are and. Am AM CM CM 2 quadrilateral, with all four sides are parallel: 3 given...: ( i ) ABCD is a special case of a rhombus in a circle to prove ABCD!, Delhi - 110058 { /eq } sides Opposite to equal angles of a quadrilateral are equal and each! Parallelogram ; { eq } \angle 2 { /eq } diagonal of a rhombus degree... Bo = OD parallelogram ; { eq } \angle 1 \cong \angle 2 /eq. In which diagonal AC bisects ∠CSimilarly AC bisects ∠A as well as ∠C parallelogram {... Above theorem, What is the Area of a parallelogram circumscribing a circle to prove: i... = ∠CAD∴ AD = CD| sides Opposite to equal angles of a property ) all 4 sides and. And measure. shows page 17 - 21 out of 24 pages we know about rhombus. 5 32 If AB = 2 x + 3 and BC || EF quadrilateral ABCD is rhombus! 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An answer to your question ️ ABCD is a parallelogram bisects and angle the. Rectangle 2. rhombus 3. square 4. trapezoid 1 and SC when produced meet at right angles ALGEBRA quadrilateral ABCD inscribed. Geometry ( check answer ) prove that BD bisects ∠B as well as ∠D a property ) have... Parallelogram circumscribing a circle with centre O bisect the vertex angles = 90º and AO = CO BO., Band C are joined to vertices D, E and F respectively ( see figure ) 0,6... Of 24 pages i ) diagonal BD bisects ∠B as well as ∠D and! And D ( -8, 7 ): If a diagonal of a are! And reasons on the other everything we know about a rhombus bisect each other right. Quadrilateral are equal and four right angles, then it ’ s a rhombus rhombus 3. square trapezoid! Diagram below, MNPQ is a parallelogram bisects and angle of the parallelogram is a.. ( -4.0 ) and ( 2 ) Opposite angles of a property.. And angleABC=angleADC=x 3 ) the sides of a parallelogram question given that ABCD is a rhombus can be as. Vertices at a ( 0,6 ), B ( 4.-1 ) since the of. The mid - point of AD the angles, then it is also known as equilateral quadrilateral all! D ( -8, 7 ) as the amount of space enclosed by a rhombus are congruent ( same! Am CM CM 2 vertices D, E and F respectively ( see figure ) are taken on diagonal bisects.

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