Question

What is the value of ∠ACB in the adjacent fig. ? ​

Answer 1

Answer:

50°

Explanation

OA = OB

⇒ ∠OBA = ∠OAB = 40°

Now, ∠AOB = 180° - (40° + 40°) = 100°

∴ ∠ACB=1/2∠AOB=1/2×100°=50°

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