天气预报15天查询> 教育> 正方形体积怎么算

正方形体积怎么算

更新时间: 2021-01-03 23:38:10     

1、正方体体积公式:V=a3。正方体的体积(或叫做正方体的容积)=棱长×棱长×棱长;设一个正方体的棱长为a,则它的体积为:V=a×a×a

2、用六个完全相同的正方形围成的立体图形叫正方体。侧面和底面均为正方形的直平行六面体叫正方体,即棱长都相等的六面体,又称“立方体”“正六面体”。正方体是特殊的长方体。正方体的动态定义:由一个正方形向垂直于正方形所在面的方向平移该正方形的边长而得到的立体图形。

关键词: 正方形 体积 怎么

如有意见、反馈、侵权或投诉等情况,请联系:

电话:
邮箱:

我们将会在48小时内给与处理!

版权所有 Copyright ? 2009-2020 tianqiyubao3.com

页面:/news/view-1437105/ | 耗时:0.7912 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=1437105 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1437105 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1437105 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(501329,500568,473047,796907,512646,3307559,438634,1073970,401791,455745,506925,1104677,438337,482194,428699,461149,129849,511912,372346,410142,1107333,496619,817047,429183,414562,509503,375102,463779,474880,452457) ORDER BY field (ArticleID,501329,500568,473047,796907,512646,3307559,438634,1073970,401791,455745,506925,1104677,438337,482194,428699,461149,129849,511912,372346,410142,1107333,496619,817047,429183,414562,509503,375102,463779,474880,452457)