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:
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