Find the surface area of a sphere of diameter:
(i) 14 cm (ii) 21 cm (iii) 3.5 m
Solution (i)
Diameter of the sphere
cm
Radius of the sphere
cm
Surface area of the sphere
Solution (ii)
Diameter of the sphere
cm
Radius of the sphere
cm
Surface area of the sphere
1386
Solution (iii)
Diameter of the sphere
m
Radius of the sphere
m
Surface area of the sphere
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