Question

find the ratio of surface areas
of the sphere with radius 6cm and 12cm​

Answer 1

Step-by-step explanation:

surface area of sphere, 4πr^2

r=6cm, 4*22/7*6*6 = 452.57cm^2

r=12cm, 4*22/7*12*12 = 1810.28cm^2

Answer 2

Answer:

4 *πr^2 is the formula for T.S.A of sphere