The radius of a spherical balloon increases from 14 cm to 21 cm as air is pumped into it. Find the ratio of the surface areas of the balloon in the two situations.
Answers
Answered by
5
Answer:
Ratio of the surface areas of the balloon in the two situations 4:9
Step-by-step explanation:
Surface area of sphere( Balloon)
Surface area of sphere when radius is 14 cm
Surface area of sphere when radius increases to 21 cm
Ratio of surface area in both the situation
Hope it helps you
Similar questions