What we know from the question:

Circumference (C) = 25.12 inches

Pi (π) = 3.14

Applying the formula:

Let Radius be r

C = 2 * π * r

25.12 = ( 2 * 3.14 * r )

Therefore;

r = 25.12 / ( 2*3.14 )

r = 4 inches.

ONE SOLUTION