Question

The circumference of a circle is 31.4 miles. what is the circle's diameter? c=31.4 mi

Answer 1

Circumference = 31.4 miles


`2 \pi r` = 31.4


`2* 3.14 * r` = 31.4


`2r = (31.4)/(3.14)`

2r = 10

r = 5

Hence, diameter = 2r = 2 * 5 = 10