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歡迎您訪問數學考題練習:如圖,AD∥EF∥BC,則圖中的相似三角形共有!

數學考題練習:如圖,AD∥EF∥BC,則圖中的相似三角形共有

更新時間:2024-01-12 16:39:56作者:貝語網校

如圖,AD∥EF∥BC,則圖中的相似三角形共有________對.

試題答案

3

試題解析

根據平行于三角形一邊的直線和其他兩邊相交所構成的三角形與原三角形相似可判斷相似三角形的對數.

解答:∵AD∥EF∥BC,

∴△AEF∽△ABC,△AFD∽△CFB,△BEF∽△BAD,

∴共3對.

點評:考查相似三角形的判定定理.

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