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歡迎您訪問數學考題練習:由相同小正方體搭成的幾何體如圖,下列視圖中不是!

數學考題練習:由相同小正方體搭成的幾何體如圖,下列視圖中不是

更新時間:2024-01-12 14:07:34作者:貝語網校

由相同小正方體搭成的幾何體如圖,下列視圖中不是這個幾何體主視圖(正視圖)或俯視圖或左視圖的是

A.

B.

C.

D.

試題答案

B

試題解析

主視圖、左視圖、俯視圖是分別從物體正面、左面和上面看,所得到的圖形.

解答:主視圖從左往右小正方形的個數依次為:2,1,1,為A;

左視圖從左往右小正方形的個數依次為:2,1,為C;

俯視圖從左往右小正方形的個數依次為:2,2,1,為D.

故選B.

點評:本題考查幾何體的三種視圖,關鍵是定義的熟練掌握.

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