The volume of a 3d shape is how much space is on the inside. There are specific formulas to find the volume of certainintro_prism figures. To find the volume of a prism, all you have to do is multiply the base area with the height of the prism. Here is an example. What you would do to find the base area is multiply four and ten. Then, you would multiply forty and five to get the volume of the rectangular prism. Now, to find the volume of a cylinder, all you have to do is find the area of the base and multiply it by the height. So, the formula would be V=πr^2h. I hope you learned something.

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