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OpenStudy (anonymous):
A circle has a radius of 7cm. Find the radian measure of the central angle (theta) that intercepts an arc of length 20cm.
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OpenStudy (anonymous):
diameter is 2*7 or 14 Pi 14 is 360 degrees 20/(Pi 14) = 163.7 degrees
OpenStudy (anonymous):
so if it's measured in radians it would be 20/14pi ?
OpenStudy (anonymous):
0.454728 radians, yes.
OpenStudy (anonymous):
okay thank you so much
OpenStudy (anonymous):
Your welcome.
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