Basic Math Examples

Find the Area circle (50.2)
r=50.2r=50.2
Step 1
The area of a circle is equal to Pi π times the radius r squared.
π(radius)2
Step 2
Substitute in the value of the radius r=50.2 into the formula for the area of a circle. Pi π is approximately equal to 3.14.
π50.22
Step 3
Raise 50.2 to the power of 2.
π2520.04
Step 4
Multiply π by 2520.04.
7916.93915075
 [x2  12  π  xdx ]