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OpenStudy (anonymous):
Express the required measurement in exact form. A bicycle wheel with radius 26" rotates through an arc that measures 80°. What is the length of the arc of the tire that touched the ground? help me please
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OpenStudy (anonymous):
circumference of wheel = 2*26*pi length of the arc = (80/360) * 2*26*pi now u can use calculator to find this it comes to 36.3"
OpenStudy (anonymous):
oh - in exact form it is (2/9)52pi = 104pi/9
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