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Find the surface area of a sphere of rad...

Find the surface area of a sphere of radius 3.5 cm.

Text Solution

Verified by Experts

The correct Answer is:
154 sq cm.
The radius of the sphere ( r) `=3.5cm= 35/10 cm`
Surface area of the sphere `= 4pir^2`
`=4xx 22/7xx35/10xx35/10=154` sq cm.
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