Entry Nº 061Stage 3 · Grades 5–6图形与几何
圆柱和圆锥
圆柱体积=底面积×高；等底等高的圆锥是它的三分之一。
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Definition
圆柱上下两个底面是完全相同的圆，侧面展开是长方形，体积 ；圆锥只有一个底面和一个顶点，等底等高时体积恰是圆柱的 。
Where it comes from · where it goes
Prerequisites
What builds on it
(none yet)