Question

How many times will a/wheel of radius 35cn be roated to teavel 660cm?

Answer 1

$\\ \\ r = 35 \: cm \\ \\ C = 2\pi r \\ \\ C = 2 \times \frac {22}{7} \times 35 \\ \\ C = 220 \: cm \\ \\ Number \: of \: rotations = \frac {660}{220} \\ \\ Number \: of \: Rotations = 3$