Question

Class 9 Chapter no. 10 Circles
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Answer 1

Answer:

OA=OC ( the radius of a circle are equal)

OB=OD ( radius are equal)

OA=OD ( radius are equal)

thus, ∆AOB is congruent to ∆COD ( by sss congruence)

since,angle AOB=angle COD( CPCT)