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CBSE Class 9 Answered

if the diagonals of a parallelogram are equal then show that it is a rectangle
Asked by priyankaubelal | 05 Mar, 2020, 10:25: PM
answered-by-expert Expert Answer
For the proof of the given theorem, please click on "If the diagonals of a parallelogram are equal then show that it is a rectangle".

Answered by Yasmeen Khan | 06 Mar, 2020, 10:33: AM

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CBSE 9 - Maths
if the diagonals of a parallelogram are equal then show that it is a rectangle
Asked by priyankaubelal | 05 Mar, 2020, 10:25: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
If an angle of a parallelogram is two thirds of its adjacent angle find the angle of a parallelogram .
Asked by agarwalsenterprises | 19 Feb, 2020, 07:08: PM
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CBSE 9 - Maths
In the figure ABCD is a parallelogram in which DAB = 80o and DBC = 60o. Calculate CDB and ADB.
Asked by Topperlearning User | 09 Dec, 2013, 01:37: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
Find the measure of each angle of a parallelogram, if one of its angles is 30o less than twice the smallest angle.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 9 - Maths
In the given figure, PN and RM are perpendiculars to the diagonal QS of a parallelogram PQRS. Prove that PNS RMQ and PN = RM.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 9 - Maths
ABCD is a parallelogram in which X and Y are the mid points of AB and DC respectively. If AY and DX intersect in P while CX and BY intersect in Q, show that quadrilateral PXQY is a parallelogram.
Asked by Topperlearning User | 09 Dec, 2013, 02:35: AM
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CBSE 9 - Maths
LMNO is a parallelogram. Compute the values of x and y.
Asked by Topperlearning User | 09 Dec, 2013, 01:39: AM
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CBSE 9 - Maths
Characterize the following statements a TRUE or FALSE and give reason for your answer. If a pair of adjacent sides of a parallelogram is equal, it must be a rhombus or a square.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 9 - Maths
In a parallelogram ABCD, prove that the sum of any two consecutive angles is 180o.
Asked by Topperlearning User | 09 Dec, 2013, 01:40: AM
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CBSE 9 - Maths
In a ABC median AD is produced to X such that AD = DX. Prove that ABXC is a parallelogram.         
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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