# Pre-Algebra Examples

Step 1

The area of a circle is equal to Pi times the radius squared.

Step 2

Substitute in the value of the radius into the formula for the area of a circle. Pi is approximately equal to .

Step 3

One to any power is one.

Step 4

Multiply by .

Step 5

The result can be shown in multiple forms.

Exact Form:

Decimal Form: