# Find the Area circle (1/3)

The area of a circle is equal to Pi times the radius squared.
Substitute in the value of the radius into the formula for the area of a circle. Pi is approximately equal to .
Simplify the expression.
Apply the product rule to .
One to any power is one.
Raise to the power of .
Combine and .
The result can be shown in multiple forms.
Exact Form:
Decimal Form:
Find the Area circle (1/3)