Question

please answer this question

Answer 1

HEY MATE
DA=BC
BAD=ABC (EACH90°)
OA=OB
BY SAS
DOA CONGURENT TO BOC
OD=OC (BY CPCT)
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Answer 2

Hey mate!!

I think that BC//AD as they are perpendiculars to the same line segment AB.
We have,
angle CBO = angle DAO, (as both are 90°)
angle BCO = angle ADO (alternate interior angles), and
AD = BC
So, by ASA congruence criterion
triangle OBC is congruent to triangle OAD
And, by cpct, AO = BO
i. e. CD bisects AB

Hope it helps!!!


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