Find the radius of a circle with the given circumference.

Question

8.4 in.

r =

3 in.
3�ã2 in.
6 in.
12�ã2 in.

is it 6 in?

Answer 1

C = 6.28r = 8.4in.
r = 8.4 / 6.28 = 1.34in.