Question

Answer the above question​

Answer 1

Answer:

In triange OAD and OBC we have

<OAD=<OBC= 90 degree

<AOD=<BOC= V.O.A

<OCB=<ODA = corresponding angles

from AAA criteria we can prove that triangle OAD is congruent to triangle OBC

=> CD bisects AC by CPCT

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Answer 2

Step-by-step explanation:

in triangle BOC and AOD ,,

angle OBC=OAD

( EACH OF 90 ANGLE)

BC=DA ( GIVEN)

ANGLE BOC=AOD (VERTICALLY OPPOSITE ANGLE)

TRIANGLE BOC = AOD ( ASA TEST)

BO=OA(BY C.S.C.T). EQ .1

OC=OD ( BY C.S.C.T)EQ2

so , AB =CD (BY 1AND 2)