# Find the Area circle (41/2)

r=412
The area of a circle is equal to Pi π times the radius r squared.
Substitute in the value of the radius r=412 into the formula for the area of a circle. Pi π is approximately equal to 3.14.
π⋅(412)2
Simplify the expression.
Apply the product rule to 412.
π⋅41222
Raise 41 to the power of 2.
π⋅168122
Raise 2 to the power of 2.
π⋅16814
π⋅16814
Combine π and 16814.
π⋅16814
Move 1681 to the left of π.
1681π4
The result can be shown in multiple forms.
Exact Form:
1681π4
Decimal Form:
1320.25431267…
Find the Area circle (41/2)