请输入您要查询的字词:

 

单词 RightTrapezoid
释义

right trapezoid


A right trapezoidMathworldPlanetmath is a trapezoidMathworldPlanetmath that has at least two right anglesMathworldPlanetmathPlanetmath. Below is a picture of a right trapezoid.

In some dialects of English (e.g. (http://planetmath.org/Eg) British English), this figure is referred to as a right trapezium. Because of the modifier “right”, no confusion should arise with this usage.

All rectanglesMathworldPlanetmath are right trapezoids (unless the definition of trapezoid is used, see the entry on trapezoid (http://planetmath.org/Trapezoid) for more details). Note also that, in Euclidean geometryMathworldPlanetmath, a trapezoid cannot have an odd numberMathworldPlanetmathPlanetmath of right angles.

A is a trapezoid that is simultaneously a right trapezoid and an isosceles trapezoidMathworldPlanetmath. In Euclidean geometry, such trapezoids are automatically rectangles. In hyperbolic geometry, such trapezoids are automatically Saccheri quadrilaterals. Thus, the phrase “right isosceles trapezoid” occurs rarely.

Right trapezoids are used in the trapezoidal ruleMathworldPlanetmath and composite trapezoidal rule for estimating Riemann integrals.

随便看

 

数学辞典收录了18232条数学词条,基本涵盖了常用数学知识及数学英语单词词组的翻译及用法,是数学学习的有利工具。

 

Copyright © 2000-2023 Newdu.com.com All Rights Reserved
更新时间:2025/5/29 7:22:06