Respuesta :

nnabilasafika

Answer:

r = 22.99 cm

Step-by-step explanation:

sphere surface area = 4πr²

6644.24 = 4 (3.142)r²

6644.24 = 12.568r²

arrange it by change the position to solve it easier

12.568r² = 6644.24

r² = 528.6632718

r = square root 528.6632718

r = 22.99 cm