Question

Can i get the answer

Answer 1

given : AD = BC

ALSO

ANGLE OAD AND ANGLE OBC = 90°

in TRIAGNLE OAD AND TRAIGNLE OBC

AD = Bc

ANGLE OAD = ANGLE OBC = 90°

also

DOA = BOC = V.O.A

THEREOFE BC ASA CONGURECY

TRANGLR OAD CONGURENT TO TRAINGLE OBC

NOW

OA = OB ( BY CPCT)