Question

Find the volume of a sphere of surface area 616cm²​

Answer 1

Answer:

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Answer 2

Answer:

surface area of sphere= 4πr^2

surface area of sphere= 616 cm^2

616= 4πr^2

πr^2= 616/4

πr^2= 154

r^2= 154/π        π=22/7

r^2= 154*7/22

r^2= 2√49

r=7cm

volume of sphere= 4/3πr^3

                                4/3*22/7*(7)^3

                                4312/3

                                1437.33 cm^3