The method of finding volume depends entirely on the shape of the 3-dimensional space occupied by the substance or object. The volume of a hexahedron such as a cube or a rectangular shaped box is found by simply multiplying the length, width, and height together, and the product will be the volume in cubic units. For example, a box measuring 12 inches long, 9 inches wide, and 16 inches high has a volume of 12 in x 9 in x 16 in = 1,728 in3 (which is the same as 1 cubic foot). With the metric system, a box 10 cm x 5 cm x 20 cm has a volume of 1,000 cm3 (cubic centimeters), which is the same as 1,000 ml (milliliters) or 1 liter.
The volume of any other regular 3-dimensional geometric figure has its specific formula. The volume of a sphere, for instance, is 1/6 x pi x diameter3, and for a pyramid is 1/3 x base x height.
The volume of an irregularly-shaped object is often impossible to calculate mathematically. An alternate method of finding its volume is to immerse it in water and measure the volume of water displaced. This may be done in a graduated cylinder or beaker for small objects.I LIKE CAKE
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