Math, asked by gayathri1978, 9 months ago

2. The diameter of a sphere is decreased by 30%. By what percent its surface area
decreases?

Answers

Answered by ar9053295gmailcom

0

Step-by-step explanation:

Decreased in surface area=400π-190π

=204 πcm²

Hence=decreased%=(204π * 100π)/400π

=51%

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