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What's the area of a sector of a circle that has a diameter of 10 in. if the length of the arc is 10 in.?
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What's the area of a sector of a circle that has a diameter of 10 in. if the length of the arc is 10 in.?

User Pepijn Kramer
by
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2 Answers

6 votes

Answer:

25 SQ IN. FOR PENN

Explanation:


User Jonas Berlin
by
6.0k points
4 votes
"The diameter is 10, therefore radius = 5. If arc length = 10, then angle = 10/5 = 2 radians 2 radians = 2/2pi = 1/pi of a complete circle.
Area of circle = pi * r^2 = 25pi.
Area of sector = angle * area of circle = 1/pi * 25pi = 25"
User Jsea
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7.4k points
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