Respuesta :

Answer:

r = 3/4

Step-by-step explanation:

Area of circle = Volume of sphere.

pi*r^2 = 4/3 pi r^3                   Divide by pi r^2

1 = 4/3 r                                    Divide by 4/3

1//4/3 = 4/3 r / 4/3

3/4 = r