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. Find the radius of a sphere whose surface area is 154 cm2.

. Find the radius of a sphere whose surface area is 154 cm2.

Grade:12th pass

1 Answers

Pawan Prajapati
askIITians Faculty 60782 Points
2 years ago
Let r be the radius of the sphere. Surface area of the sphere = 154 cm2 4 >< 22 >< r2 = 154 => r2 = 154x 7 = 49 7 88 4 7 r = - 2 cm => r = 3.5 cm.

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