檢視几何截面的原始碼

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|<center><img src=https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fpic.1010jiajiao.com%2Fpic3%2Fupload%2Fimages%2F201309%2F64%2F7c0aa71b.png&refer=http%3A%2F%2Fpic.1010jiajiao.com&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=auto?sec=1655420284&t=c1b8033adb900d209feabcb7b6e54ef4 width="300"></center>
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中文名；几何截面

外文名；geometric cross-section

几何体；圆柱，圆锥，球，棱柱，棱锥等

截面；一个面去截几何体所得

截面形状；圆，多边形，梯形，三角形等

分类；横截面，平截面，斜截面，直截面

面积计算；若干个三角形面积之和的计算
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在立体几何中，截面是指用一个平面去截一个几何体（包括圆柱，圆锥，球，棱柱，棱锥、[[长方体]]、正方体等等），得到的平面图形，叫截面。<ref>[https://wenku.so.com/d/da6cde47a9dddbd0c77b707b216ea530 立体几何中的截面问题],360文库 , 2019年9月16日</ref>