Question

The diameter of a circle is 3 miles what is the circumference?

Answer 1

Circumference= 2πr

raduis is half of the diameter so the radiuse is 1.5miles.

2 x 3.14 x 1.5= 9.42

The circumference is 9.42 miles.

Answer 2

9.42

Explanation:

Circumstance is 2*pi*r =2 *3.14*1.5

r=d/2=3/2=1.5