Math, asked by redkan9561, 9 months ago

If radius of a sphere is increased by 40% then find the percent of change in its CSA

Answers

Answered by ArchitaAK
2

Step-by-step explanation:

S.A =

4\pi \: r {}^{2}

S.A.'=

4 pi 49/25 pi r²

49/25 times increased

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