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简单的轴对称图形 - PowerPoint PPT Presentation


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简单的轴对称图形. 找一找. 你能找出下列图形的对称轴吗?. 观察下列各种图形,判断是不是轴对称图形,能找出对称轴吗?. 认识等腰三角形:. 有两条边相等的三角形 叫 等腰三角形. (. 顶角. 腰. 腰. 底角. 底角. (. ). 底边. 想一想. 1 . 等腰三角形是轴对称图形吗?找出对称轴。. 2 . 顶角的平分线所在的直线是等腰三角形的对称轴吗 ?.

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