Question

The radius of a circle is 15.9 in. Find the circumference to the nearest 10

Answer 1

Answer: 99.9

Explanation:

2⋅15.9⋅π

C= 31.8π

99.9

Answer 2

see method below

Explanation:

circum = 2πr

= 2 x π x 15.9

work that out and will give you the answer in inches

you can use a calculator for π or use 3.142