Find the surface area of a sphere with a diameter of 4 units in terms of pi

Question

asked Jun 19, 2020 56.4k views

1 Answer

Garmoncheg · Answer 1 · 2020-06-25T02:41:57+0000

Answer:

16π

Explanation:

The surface area of a sphere is:

A = 4πr²

where r is the radius, or half the diameter.

If the diameter is 4 units, then the radius is 2 units:

A = 4π (2)²

A = 16π

The surface area is 16π square units.