Question

A tire on a vehicle has a diameter of 30in. As it moves down the

road it makes 50 full revolution. What is the approximate distance
it traveled?

Answer 1

94.25 in

Explanation:

In one revolution, the tire moves a distance equal to its circumference. If the diameter is 30 in, the radius is half of that, 15 in. Circumference is 2 pi times the radius:

`C=2\pi r= 2\pi (15) = 30\pi \approx 94.25 \text{ in.}`