Math, asked by ritikvishwakrma, 1 year ago

The surface area of a shpere is 154 cm sq.rt. Find the radius of the shpere.

Answers

Answered by dhruvsh
1
Surface area of the sphere = 4*pi ^2
154 = 4 * 22/7 * radius^2
radius^2 = 154 * 7 / 88
radius^2 = 12.25 
radius = 3.5 cm.
Answered by ydharmendra888
3
Surface area of sphere =4pie r^2=154
r^2=154/4pie=154*4*7/22=12.25
r=3.5
So radius =3.5
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