Question

Find the surface area of a sphere with a radius of 3.6 ft. Use 3.14 for pi. Round your answer to the nearest hundredth, if necessary

Answer 1

The formula for the surface area of a sphere is 4πr², where r is the radius.

Substituting the given radius into the formula:

Surface area = 4π(3.6 ft)²
Surface area = 4π(12.96 ft²)
Surface area = 51.84π ft²

Using the approximation of π as 3.14:

Surface area ≈ 51.84(3.14) ft²
Surface area ≈ 162.6976 ft²

Rounding to the nearest hundredth:

Surface area ≈ 162.70 ft²

The surface area of the sphere is approximately 162.70 ft².