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OpenStudy (anonymous):
WILL FAN AND MEDAL For a circle of radius 4 feet, find the arc length subtended by a central angle of 60 degrees. Round to the nearest hundredth.
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OpenStudy (welshfella):
arc length = r * O where r = radius and O = the angle in radians so you first need to convert 60 degrees to radians
OpenStudy (anonymous):
The formula for changing degrees to radians is pi/180(deg), right?
OpenStudy (anonymous):
\[\frac{\pi 8\ 60}{360}=4.19 \text{ feet} \]
OpenStudy (anonymous):
pi d is the circumference length. d = 2r = 2*4 = 8
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