r=6.41
The area of a circle is equal to Pi π times the radius r squared.
π⋅(radius)2
Substitute in the value of the radius r=6.41 into the formula for the area of a circle. Pi π is approximately equal to 3.14.
π⋅6.412
Raise 6.41 to the power of 2.
π⋅41.0881
Multiply π by 41.0881.
129.0820731
Find the Area circle (6.41)
