Question

A bicycle trail has the shape of a circle has a diameter of 2 miles Michelle bike around the trail how far did Michelle bike

Answer 1

6.28 miles

Explanation:

How far Michelle bike around the bicycle trail is the circumference or perimeter of bicycle trail.

This is given by:

`C = \pi \: d`

where d=2 miles is the diameter of the bicycle trail.

We substitute to get:

`C = \pi \: * 2 = 2\pi`

`C = 6.28`

Therefore she travelled approximately 6.28 miles