Area of a fan

Find the area of a fan with 105 degrees and one side the length of 9 inches
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2 Answers

What is the area of a triangle that is 20 wide by 8 ft high?
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The length 9" is a radius. The area of a circle is (pi)r^2=81(pi), but the fan angle is 105 degrees therefore the area of the fan is 105/360*81(pi)=23.625(pi)=74.22 sq in.

by Top Rated User (1.2m points)

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