Question

of a 22 Assume = 7. unless stated otherwise. Find the surface area of a sphere of radius:10.5​

Answer 1

Answer:

surface area of a sphere = 4 x pi x r^2

r = 10.5

sa = 4 x 22 /7 x 10.5 x 10.5 (sa = surface area of sphere )

on simplifing we get

sa = 3 x 2 x 11 x 21

sa = 1386

Step-by-step explanation:

hoe this helps you pls mark me as brainliest