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OpenStudy (anonymous):
Find the length of an arc of 40° in a circle with an 8 inch radius. []8/9 inches []16/9 inches []64/9 inches
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OpenStudy (amistre64):
the length of any arc is: radian * radius
OpenStudy (amistre64):
convert the degree to radians by multiplying it by pi/180, then multiply in the radius
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