怎么计算正方体体积

正方体是长宽高等长的一个三维物体。这意味着要计算正方体体积只需求出其中一条边的立方积即可。以下为计算方法。

步骤

计算正方体体积

1. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/1\/1b\/Calculate-the-Volume-of-a-Cube-Step-1-Version-3.jpg\/v4-460px-Calculate-the-Volume-of-a-Cube-Step-1-Version-3.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/1\/1b\/Calculate-the-Volume-of-a-Cube-Step-1-Version-3.jpg\/v4-728px-Calculate-the-Volume-of-a-Cube-Step-1-Version-3.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 1 量度正方体某一边的边长。如果您已经知道正方体的任一边长，请进入下一步骤。否则，用尺子量度正方体的某一条边。这里假设要计算的正方体边长为2厘米。
2. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/b\/b6\/Calculate-the-Volume-of-a-Cube-Step-2-Version-3.jpg\/v4-460px-Calculate-the-Volume-of-a-Cube-Step-2-Version-3.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/b\/b6\/Calculate-the-Volume-of-a-Cube-Step-2-Version-3.jpg\/v4-728px-Calculate-the-Volume-of-a-Cube-Step-2-Version-3.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 2 计算边长的立方积，即对边长进行立方运算。正方形的体积等于底面积乘以高，而底面积等于长乘以宽，由于正方体长宽高相等，所以正方体体积等于任一边的立方积。在本例中，正方体体积为2 x 2 x 2，或2³ = 8.
3. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/2\/23\/Calculate-the-Volume-of-a-Cube-Step-3-Version-3.jpg\/v4-460px-Calculate-the-Volume-of-a-Cube-Step-3-Version-3.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/2\/23\/Calculate-the-Volume-of-a-Cube-Step-3-Version-3.jpg\/v4-728px-Calculate-the-Volume-of-a-Cube-Step-3-Version-3.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 3 体积单位也应为长度单位的立方。因为计算的是三维空间物体的体积，所以单位应是长度单位的立方。由于原长度单位是厘米，因此最终结果是8立方厘米（cm³)。