Question

ACis diameter if angle ACB is 50°and angle BAC is 40° then diameter AC is
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Answer 1

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Answer 2

Answer:

Diameter=2r

AC=2OA=2OC=2OB

Here, ∠AOB=100°, ∠COB=80°

In ∆ABC, By Pythagoras theorem;

AC²=AB²+BC²

AC=√[AB²+BC²]