Find the Area circle (4.2)

Math
r=4.2
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=4.2 into the formula for the area of a circle. Pi π is approximately equal to 3.14.
π⋅4.22
Raise 4.2 to the power of 2.
π⋅17.64
Multiply π by 17.64.
55.4176944
Find the Area circle (4.2)

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