Find the Area circle (0.9)

Math
r=0.9
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=0.9 into the formula for the area of a circle. Pi π is approximately equal to 3.14.
π⋅0.92
Raise 0.9 to the power of 2.
π⋅0.81
Multiply π by 0.81.
2.54469004
Find the Area circle (0.9)

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