1. If the diameter of a sphere is 14 cm, then what is the surface area $$(in cm^{2})$$ of the sphere?
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By: anil on 05 May 2019 01.48 am
Diameter of a sphere is 14 cm = d = 14cm then radius, r = 7cm surface area of sphere = $$4pi r^{2}$$ = $$4 imesfrac{22}{7} imes7^{2}$$ = 616 $$cm^{2}$$ so the answer is option A.
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