Find the Area circle (20)

Math
r=20
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=20 into the formula for the area of a circle. Pi π is approximately equal to 3.14.
π⋅202
Raise 20 to the power of 2.
π⋅400
Move 400 to the left of π.
400π
The result can be shown in multiple forms.
Exact Form:
400π
Decimal Form:
1256.63706143…
Find the Area circle (20)

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