Respuesta :

musiclover10045

area = PI x R^2

66 = 3.14 x R^2

R^2 = 66/3.14 =21.019

r = sqrt(21.019) = 4.58466 meters

check:

Area = 3.14 x 4.58466^2 = 66.033

Radius = 4.58466 meters

Round answer as needed.... you didn't say how the answer should be rounded