Question

Referring to the figure, find the circumference

of the circle. Round the answer to the nearest whole inch.

Answer 1

To work out this problem you will do
2 x r x 3.14 …. 2 x 30 x 3.14
188.4 would round to 188 which is the nearest whole inch

Answer 2

188

Explanation:

Since we know

C=2πr and d = 2r

60=2r (given in the problem)

30=r

C= 2π(30)

C≈ 188.4954

and you would round down to 188