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CBSE Class 9 Answered

find the radius of a sphere whose area is 154 cm
Asked by manishgupta8980 | 15 Jul, 2022, 09:17: PM
answered-by-expert Expert Answer
Hint
Surface area of a Sphere
 4 πr squared space equals space 154 straight r squared space equals space fraction numerator 154 over denominator 4 straight pi end fraction straight r squared space equals space 12.25 straight r space equals space 3.5
So the radius = 3.5 cm
Answered by | 17 Jul, 2022, 01:39: AM

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CBSE 9 - Maths
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