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歡迎您訪問數學考題練習:如圖一個圓桶兒,底面直徑為12cm,高為8cm!

數學考題練習:如圖一個圓桶兒,底面直徑為12cm,高為8cm

更新時間:2024-01-12 14:07:10作者:貝語網校

如圖一個圓桶兒,底面直徑為12cm,高為8cm,則桶內能容下的最長的木棒為

A.8cm

B.10cm

C.4cm

D.20cm

試題答案

C

試題解析

桶內能容下的最長的木棒長是圓桶沿底面直徑切面的長方形的對角線長,所以只要求出桶的對角線長則可.

解答:解:圓桶最長對角線長為:=4cm,

桶內能容下的最長的木棒長為:4cm.

故選C.

點評:本題考查正確運用勾股定理.善于觀察題目的信息是解題以及學好數學的關鍵.

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