bad, BAD things, let it go man because, it's GONE. You'll never get it back, no matter what Pi tells you and no matter how many times you get around to it. Save yourself.
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If the radius of a circle becomes 1/2 as long, the area becomes 1/4 as much.
the surface area quadruples.
No. Radius is half of the diameter.
(radius+radius) times pi
The circumference is 2*pi*radius. It does not matter if the radius is an integer or a fraction.The circumference is 2*pi*radius. It does not matter if the radius is an integer or a fraction.The circumference is 2*pi*radius. It does not matter if the radius is an integer or a fraction.The circumference is 2*pi*radius. It does not matter if the radius is an integer or a fraction.