# What is the radius of a circle whose circumference is #16π#?

##### 1 Answer

Nov 24, 2015

#### Explanation:

The circumference of a circle is equal to

Therefore,

We know that the circumference,

We can divide both sides by

We now know that the diameter of the circle is

We also know that the diameter has twice the length of the radius.

In equation form:

Note that since