Respuesta :
Answer:
128.61 cm
Step-by-step explanation:
Given, radius of the sphere, r=3.2cm.
Therefore, the surface area of sphere =4πr2
=4π(3.2)2 cm2
=4×3.14×3.2×3.2 cm2
=128.61 cm2.
Hope this helped out...
Answer:
Step-by-step explanation:
v=(2/3)πr3
v=(2/3)*22/7*3.2^3
v=68.6cm^3