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The radius of a circle is 15 miles. What is the angle measure of an arc bounding a sector with area 5​ square miles?
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The radius of a circle is 15 miles. What is the angle measure of an arc bounding a sector with area 5​ square miles?

User Seaguest
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2 Answers

5 votes

Answer:

real answer is 16

Explanation:

User Mad Eddie
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x / 10pi = 360 /((pi)(r^2))
To isolate x, multiply both sides by 10pi
x = 360 /((pi)(r^2)) (10pi) = 3600/r^2 = 3600 / 20^2 = 9 degrees

User Wsorenson
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