配套习题- 列表法巧定三角形的个数（2） -【青果学院】

1/5单选题

难度：

1.有一批长度分别为1，2，3，4，5，6，7，8，9，10，11厘米的细木条，它们的数量足够多，从中适当选取3根木条作为三条边，可围成一个三角形，如果规定底边是11厘米长，你能围成（）个不同的三角形？

A	36
B	37
C	38
D	39

正确答案：QQ==

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

2/5单选题

难度：

2.三角形三边长都是整数，并且唯一的最长边的边长是6，那么这样的三角形共有（　）个

A	3
B	4
C	5
D	6

正确答案：RA==

6Kej77ya5ZSv5LiA55qE5pyA6ZW/6L6555qE6L656ZW/5pivNu+8jOaJgOacieeahOWPr+iDveS4ujYsNSw177ybNiw1LDTvvJs2LDUsM++8mzYsNSwy77ybNiw0LDTvvJs2LDQsM+WFsTbnp43lj6/og70=

3/5单选题

难度：

3.△ABC的边长均为整数，且最大边的边长为7，那么这样的三角形共有（）个

A	14
B	15
C	16
D	17

正确答案：Qw==

6Kej77ya5Zug5Li65pyA6ZW/6L655Li6N++8jOS4lOimgea7oei2s+S4pOi+ueS5i+WSjOWkp+S6juesrOS4iei+ue+8jOaJgOS7peWPpuS4pOi+ueeahOaJgOacieWPr+iDveS4uu+8mjHvvIw377ybMu+8jDbvvJsz77yMNe+8mzTvvIw077ybNu+8jDPvvJsy77yMN++8mzTvvIw177ybNO+8jDbvvJs177yMNe+8mzfvvIwz77ybNO+8jDfvvJs177yMNu+8mzXvvIw377ybNu+8jDbvvJs277yMN++8mzfvvIw35YWxMTbnp43mg4XlhrU=

4/5单选题

难度：

4.三角形三边长都是整数，最大边长为8，满足这样条件的互不重合的三角形有（　　）个

A	15
B	20
C	25
D	30

正确答案：Qg==

6Kej77ya5ruh6Laz5p2h5Lu255qE5YW25a6D5Lik6L655Li677yaMe+8jDjvvJsy77yMOO+8mzLvvIw377ybM++8jDjvvJsz77yMN++8mzPvvIw277ybNO+8jDjvvJs077yMN++8mzTvvIw277ybNO+8jDXvvJs177yMOO+8mzXvvIw377ybNe+8jDbvvJs177yMNe+8mzbvvIw477ybNu+8jDfvvJs277yMNu+8mzfvvIw477ybN++8jDfvvJs477yMOOWFseaciTIw56eN5oOF5Ya1

5/5单选题

难度：

5.三边长均为整数，且最大边长为11的三角形的个数是（）个

A	32
B	34
C	36
D	38

正确答案：Qw==

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