For a cylinder the formula is: V = radius2 x Pi x length. So,
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what is the volume of the rectacgular solid 2in,5in,3in.
Base x Height.... The base of a cylinder is a circle. So you first find the area of the circle. pi times the radius squared. (for example, with a cylinder with a radius of 2in and a height of 3in, the area of the base would be about 2 x 2 x 3.14 = 12.56 Then you multiply the area of the base with the height. So going with our example, 12.56 x 3 = 37.68 inches. Think about it this way: The volume of a rectangular prism is length x width x height. The base of a rectangular prism is a rectangle , and to find the area of that is length x width. So it's the area of the base (which is length x width) x the height.
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Surface area of cylinder is circumference multiplied with height.Surface area = (3 x 2Pi) x 4 = 6 x 3.14 x 4 = 75.36 square inches.
find the volume of the largest pyramid which can be cut from a rectangular parallelepiped whose edges are 2in. by 3in. by 4in. discuss fully