# Coordinate Geometry

#### Question 4:

The two opposite vertices of a square are (− 1, 2) and (3, 2). Find the coordinates of the other two vertices.

#### Answer:

Let ABCD be a square having (−1, 2) and (3, 2) as vertices A
and C respectively. Let (*x*, *y*), (*x*_{1},
*y*_{1}) be the coordinate of vertex B and D
respectively.

We know that the sides of a square are equal to each other.

∴ AB = BC

We know…

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