# How do you find the area of a circle in terms of pi if the diameter is 2.1m?

##### 1 Answer

Sep 8, 2015

The area of the circle is

#### Explanation:

The formula for the area of a circle is:

You can't use this formula directly, because you're given the **diameter**, not the radius.

The radius of a circle is half of the diameter, so we divide the diameter by

Since the radius is

The area of the circle is