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Mumz [18]
3 years ago
12

If the radius of a circle is 10 feet, how long is the arc subtended by an angle measuring 81°?

Mathematics
1 answer:
mihalych1998 [28]3 years ago
4 0
Circumference of entire circle = 2 * PI * 10
circumference of entire circle = <span> <span> <span> 62.832 feet
81 degrees is (9/40) of a circle
62.832 * </span></span></span><span>(9/40) = </span> <span> <span> <span> 14.1372 </span> </span> </span>

Source:
http://www.1728.org/radians.htm


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