SAT数学-平面坐标-距离公式 Example 01

发布于 2015-09-13  110 次阅读

Question 1
In the xy-plane, the line segment with endpoints (2, 2) and (5, 2) forms one side of a square. What is the perimeter of the square?
A
6
B
9
C
12
D
20
E
28
Question 1 Explanation: 
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