#### Prove that the points A (2, 3), B (-2, 2), C (-1, -2) and D (3, -1) are the vertices of a square ABCD.

**Solution:**

**More Solutions:**

- Find the coordinates of points whose:
- In which quadrant or on which axis each.
- Plot the following points on the same graph paper :
- In which quadrants are the points A, B, C and D.
- The following points on the same graph paper.
- Following points and check whether they are collinear or not:
- State the coordinates of the points M and N.
- Also find the area of the quadrilateral ABCD.
- Plot the points (0, 2), (3, 0), (0, -2) and (-3, 0) on a graph paper.
- Three vertices of a square are A (2, 3), B(-3, 3) and C (-3, -2).