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Q: What is the formula for a volume of an circle?

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A circle is two dimensional, it has area but not volume.

There is none

The formula that expresses the volume of a circle isV = 0 .A circle is a 2-dimensional (flat) shape, so it has no volume.

There is none because a circle has no volume but the area of a circle is pi*radius^2

haha u cant find the volume of a circle, you can only find the volume of a 3-D shape

A semi-circle is a 2-dimensional figure and so cannot have a volume.

The area of a circle is 'pi' multiplied by the square of the circle's radius.The volume of a circle is zero. The volume of a sphere is (4/3 pi) multiplied by the cube of the sphere's radius.

The formula for area of a circle is radius squared times pi. The formula for volume of a cylinder is radius squared times pi times height.

A circle has no volume; it is a 2D shape. If you mean a sphere, then the formula is V = (4/3)πr3 where V is volume, π is pi (~3.14) and r is radius.

Volume of a sphere = 4/3*pi*radius3 Area of a circle = pi*radius2

Technically, a circle is a 2-dimensional object, so the question should read "volume of a sphere" OR "Area of a circle". The formula to work out the volume of a sphere is: 4/3 pi x r3, where "r" is the radius of the sphere. To find the area of a circle: pi x r2.

Wouldn't a circle-based pyramid look a lot like a cone ? If so, you could probably use the formula for the volume of a cone and get away with it.

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