Question

In figure, OA = OC. ​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

in the given figure

in ∆ABC and ∆BDC

AB = DC (given)

DB = AC (given)

BC = BC (common)

So, by SSS rule

∆ABC =~ ∆BDC

So, by CPCT , angle A = angle D

hence proved.