In the xy-coordinate plane, triangle RST is equilateral. Points R

您还没有登录，登录以后才可以查看答疑和进行提问。

In the xy-coordinate plane, triangle RST is equilateral. Points R and T have coordinates (0, 2) and (1, 0), respectively.

The perimeter of triangle RST

$$3\sqrt{5}$$

答案：C

还没有人问到这里。

Graphic Analysis
For any pair of successive years between 1977 and ......
Quantitative Comparison
The average (arithmetic mean) of a set of mean dai......
Sentence Equivalence
Excessive focus on what might have been can cause ......
Sentence Equivalence
The cat known to researchers as M-120—beefy, aud......
Sentence Equivalence
Although the parents do not think highly of the ed......
Text Completion
An coinage of the nineeenth-century cookbook write......
Text Completion
There is nothing that (i)_____ scientists more tha......
Issue
The best way for a society to prepare its young pe......