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If 4 and 11 are the lengths of two sides of a triangular region, which of the fo
If 4 and 11 are the lengths of two sides of a triangular region, which of the fo
游客
2024-01-13
39
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问题
If 4 and 11 are the lengths of two sides of a triangular region, which of the following can be the length of the third side?Ⅰ.5 Ⅱ. 13 Ⅲ. 15
选项
A、Ⅰ only
B、Ⅱ only
C、Ⅰ and Ⅱ only
D、Ⅱ and Ⅲ only
E、Ⅰ, Ⅱ, and Ⅲ
答案
B
解析
A leg of a triangle cannot be greater than or equal to the sum of the other two legs. This principle eliminates both Ⅰ (11>5+4) and Ⅲ (4+11=15). Therefore, Ⅱ is the only acceptable length.
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