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5. Find the measure of <1 in •O
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5. Find the measure of <1 in •O

5. Find the measure of <1 in •O-example-1
User Kodvin
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1 Answer

3 votes

Answer:

10°

Explanation:

Look at the inscribed angle theorem for a circle.

Essentially, the angle measure of an inscribed angle is half the measure of its intercepted arc on the circumference of the circle.

So, m∠1 = 20° ÷ 2 = 10°

5. Find the measure of <1 in •O-example-1
User Peter Aylett
by
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