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歡迎您訪問數學考題練習:如果點C在線段AB上,則下列各式中:AC=AB!

數學考題練習:如果點C在線段AB上,則下列各式中:AC=AB

更新時間:2024-01-12 16:38:59作者:貝語網校

如果點C在線段AB上,則下列各式中:AC=AB,AC=CB,AB=2AC,AC+CB=AB,能說明C是線段AB中點的有

A.1個

B.2個

C.3個

D.4個

試題答案

C

試題解析

根據線段中點的定義,能判斷AC=CB的條件都能說明C是線段AB中點.

解答:根據分析得:

若AC=AB,則可判斷C是線段AB中點;

若AC=CB,則可判斷C是線段AB中點;

若AB=2AC,則可判斷C是線段AB中點;

若AC+CB=AB,則不能判斷C是線段AB中點;

綜上可得共有三個正確.

故選C.

點評:本題考查了中點的定義,屬于基礎題,注意滿足線段中點的兩個條件.

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