【SAT官方每日一题】7/25/12 Mathematics > Standard Multiple Choice

滚吧肥汤圆UID：3272378

Read the following SAT test question and then click on a button to select your answer.
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* O  T8 ~% O( m0 H( U6 wIn triangle , the length of side is and the length of side is . Which of the following could be the length of side ?



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C.

D.
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; x" i* e2 z( y% [3 g正确答案:D

解析:
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By the Triangle Inequality, the sum of the lengths of any two sides of a triangle must be greater than the length of the remaining side. Therefore,, or . Thus, , which eliminates options (A), (B), and (C). Also by the Triangle Inequality, , or , which eliminates choice (E). Therefore, of the given choices, only choice (D), , could be the length of side.


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