Question

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7.13 ABCD is a kite in which AB = AD, BC = CD and AC is perpendicular bisector of BD
at O. Then,
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(A) AB2-BC² = AOP - OC?
(B) AB? + BC = AO? + OC?
(C) AD? +DC2 = OA? + OB? + OC? + OD?
(D) ADP-DC2 = OA? + OB? + OC? + OD2​

Answer 1

Answer:

according to me 2 option is wrong 4 option is correct