Question

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

A) 616 B) 308 C) 462 D) 636

Answer 1

Answer:

The surface area of the sphere is 616 cm².

Step-by-step explanation:

Since we have given that

Diameter of a sphere = 14 cm

Radius of a sphere =

As we know that

Surface area of the sphere =

Surface area of sphere is given by

4 22/7×7×7

Hence, the surface area of the sphere is 616 cm²

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Answer 2

Answer:

The surface area of the sphere is 616 cm².

Step-by-step explanation:

Since we have given that

Diameter of a sphere = 14 cm

Radius of a sphere = 14/2=7

As we know that

Surface area of the sphere = 4πr^2

Surface area of sphere is given by

50/7×7×7=616 cm^2

Hence, the surface area of the sphere is 616 cm².