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Q: If the radius of a circle is doubled what happens to its volume?

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The volume is proportiuo9nal to the cube of the radius, so doubling the radiuscauses the volume to increase to (2)3= 8 times its original value.

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A sphere with a volume of 45 cubic units has a radius of 2.21 units. If you double the radius to 4.42 units, the volume becomes 362 units3Apex answer: 360 units3

well...if it's doubled then its doubled (just treat it the same)

There is no volume in a circle but volume can be found in a sphere. The question should be rephrased. A circle is a two dimensional shape, so it cannot have a volume which is a characteristic of a three dimensional shape.

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The volume is added by the variable "x" and multiplied by pi

The volume is Base x height; the Base area is the same as the formula for a circle - which is proportional to the square of the radius. For example, if you double the radius (or the diameter, or the circumference) of a circle, its area will quadruple.

It depends on whether the height remains unchanged or increases in the same proportion as the radius.

The volume is proportiuo9nal to the cube of the radius, so doubling the radiuscauses the volume to increase to (2)3= 8 times its original value.

the is more volume in the cone

If the radius of a sphere is doubled, the surface area increases by (2)2 = 4 times, and the volume increases by (2)3 = 8 times.

The volume of a circular cylinder varies directly with the height of the cylinder and with the square of the cylinder's radius If the height is halved and the radius is doubled then the volume will be increased.

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The volume is increased by a factor of 23 = 8.

If only the length is doubled, the volume is also doubled.If only the length is doubled, the volume is also doubled.If only the length is doubled, the volume is also doubled.If only the length is doubled, the volume is also doubled.

The volume is doubled.

Volume doubles

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