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Q) ABCD is a parallelogram,if the two diagonals are equal find the measure of angle ABC 
Asked by banerjee_milky | 28 Jun, 2017, 08:57: PM
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begin mathsize 16px style In space straight a space parallelogram comma space if space two space diagonals space are space equal comma space then space the space parallelogram space is space straight a space rectangle. space So comma space ABCD space is space straight a space rectangle. space We space know space that comma space each space interior space angle space of space straight a space rectangle space is space 90 degree. space Since space ABC space is space an space interior space angle space of space rectangle space ABCD comma space so space measure space of space angle ABC space is space 90 degree. end style
Answered by Rebecca | 28 Jun, 2017, 09:34: PM

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CBSE 9 - Maths
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Asked by narendrapatidar39877 | 09 Mar, 2024, 11:01: AM
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CBSE 9 - Maths
if ABCD is a llgm and X and Y are points on the diagonal BD such that DX=BY. Prove that a) AXCY is a llgm
Asked by borakartike2 | 29 Dec, 2023, 09:21: PM
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CBSE 9 - Maths
ABCD is quadrilateral in which P Q R S are mid points of the sides AB BC CD DA. AC is diagonal. show that SR is parallel to AC and SR= 1half 2 AC
Asked by aksharapatni | 30 Nov, 2023, 01:12: PM
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CBSE 9 - Maths
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Asked by bathinisampath | 05 Apr, 2022, 10:52: AM
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CBSE 9 - Maths
SAS congruence axiom is
Asked by bathinisampath | 05 Apr, 2022, 10:50: AM
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CBSE 9 - Maths
sir is two triangles is congurance by two properties
Asked by abdulsamad82007 | 15 Jun, 2021, 12:59: PM
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CBSE 9 - Maths
Q2. In ABC, AB = AC. X and Y are points on AB and AC such that AX = AY. Prove that ABY  ACX 
Asked by rjaat7623 | 28 Feb, 2021, 10:57: AM
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CBSE 9 - Maths
Q-a diagonal divides a parallelogram into 2 congruent triangles.prove Doubt-in ncert it is done by only ASA .Can we do it by any other method like SAS OR SSS?And if not why?
Asked by Yuvrajkumar92005 | 15 Oct, 2019, 08:24: PM
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CBSE 9 - Maths
What was and ASA congurrence rule
Asked by Narendravignesh | 09 Oct, 2019, 06:02: PM
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CBSE 9 - Maths
11. In ∆𝐴𝐵𝐶, CP and BQ are equal altitudes to sides AB and AC respectively. Show that ∆𝐴𝐵𝑄 ≅ ∆𝐴𝐶P
Asked by arajeevshashank | 25 Sep, 2019, 12:26: PM
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