Help please.x^(2)

Question

Help please.
`x^(2)`

Answer 1

r = 8 cm

Explanation:

The circumference of a circle is given by

C = 2 * pi *r

50.24 = 2 * (3.14) *r

50.24 = 6.28r

Divide each side by 6.28

50.24/6.28 = r

8 =r