Question

Find the surface area of sphere with radius 7cm

Answer 1

Answer:

616cm^2

Step-by-step explanation:

surface area of a sphere=4πr^2

4*(22/7)*7*7

4*22*7

616cm^2

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Answer 2

Answer:

615.75 cm

Step-by-step explanation:

The formula for surface area of a sphere is: 4πr^2

So: 4 * 3.14159 * 7^2 = 615.75 cm