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OpenStudy (anonymous):
What is the degree measure of an arc 4 pi ft. long in a circle of radius 10 ft.?
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OpenStudy (anonymous):
l = r * angle angle = l / r = 4pi/10 = 2pi/5 radians
OpenStudy (anonymous):
= 2pi/5 * 180/pi = 72 degrees
OpenStudy (anonymous):
i think i got the equation right this time!!!!
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