In the parallelogram ABCD, the angles A and C are obtuse. Points X and Y are taken on the diagonal BD such that the angles XAD and YCB are right angles.
Prove that: XA = YC.
State whether the above statement is true or false.
A
True
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B
False
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Solution
The correct option is A True In △XAD and △YCB ∠XAD=∠YCB (Given each 90∘) AD=BC (Opposite sids of parallelogram are equal) ∠XDA=∠YBC (Alternate angles of parallel lines AD and BC) △XAD≅△YCB (ASA rule) Thus, XA=YC (Corresponding sides)