如何如何计算梯形的面积

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梯形是有两条边平行,其他两条边不平行的四边形。这表明梯形有两条边都可以当底。如果你想知道如何计算梯形的面积,那么按照下面的步骤来吧。

  1. How.com.vn 中文: Step 1 确定两条底的长度。
    底是梯形中两条平行的边。让我们把它们称为a和b吧。假如a边是8cm而边是13cm。
  2. How.com.vn 中文: Step 2 把两条边相加。
    把8cm和13cm相加,8 cm + 13 cm = 21 cm。
  3. How.com.vn 中文: Step 3 确定梯形的高。
    梯形的高是两条底之间的距离。在这个例子里,梯形的高是7cm。
  4. How.com.vn 中文: Step 4 把梯形的高乘以两底之和。
    两底之和是21出名,而高是7cm,21 cm x 7 cm = 147 cm2
  5. How.com.vn 中文: Step 5 把结果除以2。
    将147 cm2初以2得到最后结果,147 cm2/2 = 73.5 cm2 那么梯形的面积是73.5。这样你就可以知道梯形的面积公式是[(b1 + b2) x h]/2。
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