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The image shows a circle centered at point O angle AOB Measures at 42 degrees.

What is the Measure of the angle acb explain your reasoning

The image shows a circle centered at point O angle AOB Measures at 42 degrees. What-example-1
User Anto Varghese
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1 Answer

22 votes
22 votes

Answer:

∠ ACB = 21°

Explanation:

the inscribed angle ACB is half the central angle AOB , subtended by the same arc AB , then

∠ ACB =
(1)/(2) ∠ AOB =
(1)/(2) × 42° = 21°

User Gauge
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