If the length of RS is 12 and the length of ST is 13, which of the following could be the length of RT? -题库考试答案搜索网

If the length of RS is 12 and the length of ST is 13, which of the following could be the length of RT?

单选题

2022-09-21 20:22

A、24
B、26
C、28
D、29
E、30

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正确答案

A

试题解析

根据三角形不等式公理，三角形的第三边大于两边之差，小于两边之和，又因为RS =12，ST=13，所以可得出13-12< RT< 13+12，1 < RT< 25，在这个范围之间的选项只有A，即24。

标签：国外英语考试美国学术能力评估考试（SAT）

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