The surface area of a sphere can be approximated as follows:

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.

The surface area is approximately 300m²

Explanation:

Surface area = 4πr²

r = 5m

π ≈ 3

Plug in the values for r and π into the surface area equation:

4(3)(5²) = 4(3)(25) = 300

The surface area is approximately 300m²

The surface area of a sphere with radius 5 meters is 300 m²

Explanation:

According to the question, we were ask to use the simple approximation above . According to the simple approximation the surface area of the sphere is 4πr² and the π constant is given as 3.

Using the formula above

surface area of sphere =  4πr²

we were ask to find the surface area of the sphere if the radius is 5 meters

r = 5 meters

surface area of sphere =  4πr²

surface area of sphere =  4 × 3 × 5²

surface area of sphere =  4 × 3 × 25

surface area of sphere =  300 m²

The surface area of a sphere with radius 5 is 300 m²

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