# Find the Area circle (4.5)

r=4.5
The area of a circle is equal to Pi π times the radius r squared.
Substitute in the value of the radius r=4.5 into the formula for the area of a circle. Pi π is approximately equal to 3.14.
π⋅4.52
Raise 4.5 to the power of 2.
π⋅20.25
Multiply π by 20.25.
63.61725123
Find the Area circle (4.5)

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