Question

find the surface area of sphere whose radius is 14 cm

Answer 1

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Answer 2

Answer:

Surface area of a sphere is 2461.76 cm² .

Step-by-step explanation:

Formula

$Surface\ area\ of\ a\ sphere = 4 \pi r^{2}$

Where r is the radius of a circle .

As given

$\pi = 3.14$

The radius of a sphere is 14 cm .

Put all the values in the formula

Surface area of a sphere = 4 × 3.14 × 14 × 14

                                          = 2461.76

Therefore the surface area of a sphere is 2461.76 cm² .