Surface area = 4πr2; where r is the radius of the sphere; π is a constant that is roughly equal to 3. using the simple approximation above, calculate the surface area of a sphere with a radius of 5 meters.

300 square meters

Explanation:

The formula for surface area of a sphere is

               .... (1)

where, r is the radius of the sphere and π is a constant that is roughly equal to 3.

It is given that the radius of the sphere is 5 meters..

Substitute π = 3 and r=5 in equation (1).

Therefore the surface area of a sphere with a radius of 5 meters is 300 square meters.

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