梯形体的体积计算公式是什么?

2025-03-17 12:08:35
推荐回答(3个)
回答1:

第一种:梯形的体积=(上底+下底)×高÷2×总长度
第二种:把四棱台延长成椎上截面面积为s,下截面r,台高为h,那么体积=1/3(r-s)*h.
若是正梯形物体则为
V=〔S1+S2+开根号(S1*S2)〕/3*H
注:V:体积;S1:上表面积;S2:下表面积;H:高。

1、定义
上、下面平行且为长方形(特殊情况有两个相对的面是正方形,即四棱台),四个侧面都是梯形由此围成的立体图形叫梯形体.
2、PS画出梯形体的方法是:
(1)新建背景文件,创建新图层,用“进行选框工具”画矩形,填充灰色;
(2)“编辑--变换--透视”变换成梯形,复制,移动,用“多边形套索工具”连接其他各点,制作其他侧面,变成梯形体;
(3)根据光线情况,在不同侧面拉黑白渐变,制作效果,完成。

回答2:

梯形体的体积:

上、下面平行且为长方形(特殊情况有两个相对的面是正方形,即四棱台),四个侧面都是梯形由此围成的立体图形叫梯形体.

扩展资料:
四棱台(Four
prism)一种特殊台梯形体(好比正方形与长方形),即底面与顶面均为正方形,侧面都是等腰梯形的一种台体。它的体积计算公式是V=(S1
+
4S0
+
S2)
*
H
/
6。
棱台的定义
棱锥的底面和平行于底面的一个截面间的部分,叫做棱台;因此四棱台底面与顶面的形状并不为正方形,为长方形即可。
参考资料:百度百科——梯形体

回答3:

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