甲:(14+8)×14÷2
=22×14÷2
=154(平方厘米)
乙:14×8÷2
=112÷2
=56(平方厘米)
答:甲阴影三角形的面积是154平方厘米,乙阴影三角形的面积是56平方厘米.
如图甲乙两图中大正方形的边长是14cm,小正方形的边长是8cm.求每个阴影三角形的面积.
如图甲乙两图中大正方形的边长是14cm,小正方形的边长是8cm.求每个阴影三角形的面积.
数学人气:355 ℃时间:2019-11-22 18:53:57
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