Question

A ferris wheel has a diameter of 80 meters. How far does a rider travel in one complete rotation around the ferris wheel?

Answer 1

Given parameter:

Diameter of the ferris wheel = 80m

Unknown:

Distance covered in one complete rotation = ?

Solution:

One complete rotation will sweep through the circumference of the wheel.

So,

One complete rotation = Circumference of circle = 2
`\pi` r

Where r is the radius;

Radius here is
`(80)/(2)` = 40m

So circumference = 2 x
`\pi` x 40 = 80
`\pi`

The distance the wheel sweeps through will be 80π m