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歡迎您訪問數學考題練習:不能用下列一種圖形進行密鋪的是!

數學考題練習:不能用下列一種圖形進行密鋪的是

更新時間:2024-01-12 16:31:13作者:貝語網校

不能用下列一種圖形進行密鋪的是

A.正三角形

B.正方形

C.正八邊形

D.三角形

試題答案

C

試題解析

依次看每種正多邊形的每個內角的度數是否為360°的約數即可.

解答:A、正三角形的內角和為180°,能整除360°,能進行密鋪,不符合題意;

B、正方形的內角和為360°,能整除360°,能進行密鋪,不符合題意;

C、正八邊形的內角和為1080,不能整除360°,不能進行密鋪,符合題意;

D、三角形的內角和為180°,能整除360°,能進行密鋪,不符合題意.

故選C.

點評:用到的知識點為:任意一種多邊形組成鑲嵌,看內角和是否為360°的約數即可.

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