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Geometry
>Area of a Circle
Area of a Circle
Area of a Circle
Find the area of a circle using A = πr
2
. Enter your own values and see the formula steps update.
Given value
Radius
Diameter
Circumference
Value
Units
Use pi as
3.14
calculator pi
Update
Sample
Practice:
enter the area rounded to the nearest hundredth.
Area
Check
New Problem
Geometry
Math
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