SSC CGL 8 Aug 2017 Shift 1 Paper

Question : 53 of 100

Marks: +1, -0

If the diameter of a sphere is 14 cm, then what is the surface area (in cm

^{2}

) of the sphere?

Solution:

According to the question,
Surface area of the sphere

=4 πr^2

=4× 22/7× (14/2)^2

={4× 22× 49}/7=616\cm^2

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