下列各题中,给出的三条线段不能组成三角形的是( ).
A.4 cm,6 cm,10 cm, | B.5cm,3cm,4cm; |
C.3cm,8cm,10cm; | D.5cm,9cm,5cm. |
11-12七年级下·贵州遵义·期中 查看更多[2]
更新时间:2016-12-05 09:18:54
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【推荐1】下面的几组线段,( )可以拼成一个三角形.
A.![]() ![]() ![]() | B.![]() ![]() ![]() |
C.![]() ![]() ![]() | D.![]() ![]() ![]() |
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【推荐2】在学完八上
三角形
一章后,某班组织了一次数学活动课,老师让同学们自己谈谈对三角形相关知识的理解
小峰说:“存在这样的三角形,它的三条高之比可以为
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”老师说有一个三角形是不存在的,你认为不存在的三角形是( )
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A.![]() ![]() ![]() | B.![]() ![]() ![]() | C.![]() ![]() ![]() | D.![]() ![]() ![]() |
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