Math, asked by navistha70, 4 days ago

what is the answer to this sum? please give an explanation!

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Answers

Answered by saloni19salu

1

B). 30°

Step-by-step explanation:

since angle BAC=60°

therefore angle ABC=60°

because the triangle is equilateral

and angle OBC is half of angle ABC

therefore angle OBC =30°

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