2025 AMC 8 第 8 题
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所有题目均经美国数学协会（MAA）官方合法授权使用。
8.
Isaiah 沿一些边剪开一个纸板立方体，形成下图所示的平面图形，其面积为 平方厘米。原立方体的体积是多少立方厘米？
Isaiah cuts open a cardboard cube along some of its edges to form the flat shape shown, which has an area of square centimeters. What was the volume of the cube in cubic centimeters?
小提示：
立方体展开图有 个全等正方形面
A cube net has congruent square faces
大提示：
用展开图总面积除以 ，得到一个面的面积
Divide the net area by to get one face area
视频讲解：
Click to load, then click again to play
文字解答：
展开图由 个正方形面组成，所以每个面的面积是 。立方体边长为 。体积为 。正确答案是 A。
There are squares, so each has area Then the side length of the cube is The volume is which is choice A.
其他年份的第 8 题
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