Find the Area circle (90)

Math
r=90
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=90 into the formula for the area of a circle. Pi π is approximately equal to 3.14.
π⋅902
Raise 90 to the power of 2.
π⋅8100
Move 8100 to the left of π.
8100π
The result can be shown in multiple forms.
Exact Form:
8100π
Decimal Form:
25446.90049407…
Find the Area circle (90)

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