# If the total surface of solid sphere is 98.56cm2,then find the radius of the sphere. plzzzzzzzzzzzzzz do as fast as possible explain it?

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## Answers

2015-03-05T20:37:25+05:30

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TSA = 4π r²
98.56 =4 * 22/7 * r²
r² = 98.56 * 7/22 * 1/4
r² = 689.92
r = √689.92
r = 2.8 cm
welcom
:)
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????
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The Brainliest Answer!
2015-03-05T20:49:43+05:30

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Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Total surface area of a sphere = 4π r²
Given, area = 98.56cm²
4 × 22/7 × r² = 98.56
r² = 98.56 × 7/22 × 1/4
r² = 689.92
r = √689.92
r = 2.8 cm
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??? what happened yaar
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joking
:)