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什么是梯形?几何学变得简单 - Practical Tips

什么是梯形?几何学变得简单

by Tobias

你可以在几何学领域找到关于什么是梯形的解释。你肯定曾经在这里遇到过 “梯形 “这个词,但也许无法直接想象它背后的具体内容。然而,梯形的特性可以很容易地总结出来。

梯形实际上是什么

每一个几何实体都有特殊的属性,它必须满足这些属性才能被确定为实体。

  • 梯形一般是指有两条平行边的四边形。这些也被称为基本面。
  • 一个梯形有四个角和四条边,也叫a、b、c和d。
  • 梯形的四个角加起来是360°。这些也被称为α、β、γ和δ。
  • 梯形的腿的长度是不固定的。它们也可以是不同的长度。
  • 梯形有不同的形式。对等腰梯形和直角梯形进行了区分。

围绕梯形的计算。

如果你想围绕梯形进行某些计算,了解适当的公式是很重要的。

  • 像这样计算面积。A= ½ × (a+c) × h
  • 像这样计算周长。U= a + b + c + d

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