area of circle
R = (3.14*r*r);
area of circle
Area of circle = Pi * r^2 (r stands for radius and ^2 means squared)
area of circle
The area of a circle is pi times the radius squared (A = π r²). Learn how to use this formula to find the area of a circle when given the diameter.
area of a circle
def circle(radius):
return radius * math.pi * 2
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