Question

Find the circumference of a circle that has a diameter of 4 m. Use 3.14 for pi. m

Answer 1

12.56 m

Explanation:

The formula of a circumference of a circle:

`C=d\pi`

d - diameter

We have d = 4m.

Substitute:

`C=4\pi\ m`

Use 3.14 for π:

`C\approx4(3.14)=12.56\ m`