Question

Find the surface area of a sphere of diameter a)14​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

diameter of a sphere:14

hence radius of a spher:d/2

i.e. 14/2=7

formula of surface area of spher:

4πr^2

=4*22/7*7*7

=4*22*7

616

hence surface area of a sphere is 616 sq.units