Basic Math Examples

Find the Area circle (1.5)
r=1.5
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=1.5 into the formula for the area of a circle. Pi π is approximately equal to 3.14.
π1.52
Step 3
Raise 1.5 to the power of 2.
π2.25
Step 4
Multiply π by 2.25.
7.06858347
 [x2  12  π  xdx ]