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侧面积怎么求

更新时间: 2020-09-19 00:00:00     

不同的物体的侧面积求法为:

1、圆柱:底面周长乘高;

2、圆锥:π乘底面半径的平方加π乘底面半径乘母线的长度;

3、圆台:π乘上地面半径的平方加π乘下底面半径的平方加π乘上底面半径乘母线长度加π乘下底面半径乘母线长度;

4、正方体:4乘边长的平方;

5、多面体:所有侧面面积的和。

关键词: 侧面 怎么

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