Math, asked by khanmevish70, 2 days ago

find radius of surphied balloon increase from 7 cm into 14 cm find the ratio of surface of ballone in the case

Answers

Answered by 9b66ravneet

0

1:4

surface area of Sphere is 4πr^2

4π7*7/4π14*14 = 1*1/2*2=1:4

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