【題目】在下面的點子圖中畫一個三角形，使它既是直角三角形，又是等腰三角形。
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【答案】
【解析】
一個三角形，既是直角三角形，又是等腰三角形。也就是該三角形兩條邊相等，頂角為90°。據(jù)此解答即可。
根據(jù)分析畫圖如下所示：
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