Asked by Ande2

A bicycle wheel of radius 42cm is rolled over a distance of 66cm. How many revolutions does it make?
Answered by Ms. Sue
66/42 = 1.57 times
Answered by henry2,
Cir. = pi * 2r = 3.14 * 84 = 263.8 cm.
66cm * 1rev/263.8cm = 0.25 = 1/4 rev.
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