# Find the Area circle (31.5)

r=31.5
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=31.5 into the formula for the area of a circle. Pi π is approximately equal to 3.14.
π⋅31.52
Raise 31.5 to the power of 2.
π⋅992.25
Multiply π by 992.25.
3117.24531052
Find the Area circle (31.5)

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