Pre-Algebra Examples
Step 1
The surface area of a sphere is equal to times Pi times the radius squared.
Step 2
Substitute the value of the radius into the formula to find the surface area of the sphere. 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: