Math, asked by nikshita66, 10 months ago

the radius of a spherical balloon increases from 6 to 12 CM as air is being pumped into a then what will be the ratio of surface areas of the original balloon to the resulting new balloon ​

Answers

Answered by sruthi0577
3

Answer:

r1=6cm

r2=12 cm

ratio of surface areas =4*3.14*6*6/4*3.14*12*12

4 and 3.14 gets cancelled

6*6/12*12

1:4

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