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Find radius of a sphere whose …

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Find radius of a sphere whose surface Area is 154cm^2

Posted by Sai Chandana 7 years, 4 months ago

CBSE > Class 10 > Mathematics

1 answers

Janani Srinivasan 7 years, 4 months ago

area of sphere=4 pi r3 so ,154=4×22/7×r2 154=88/7×r2 154/88/7=r2 154/88/7=r2 so r=root of 49/4so aftr removing root we get =7/2

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Posted by Kanika . 1 month ago

CBSE > Class 10 > Mathematics