Question

A ball gas a radius of 56mm

(a)Calculate the surface area




(b)What is the volume of the sphere

Answer 1

Part A
a = 4*pi*r^2
= 4*pi*56^2
answer will be in mm^2

Part B
v= (4/3)*pi*r^3
= (4/3)*pi*(56^3)
answer will be in mm^3

Answer 2

i don't kno lol could u help give me answer?