If the point (1, 4), (3, -2) and (p, – 5) lie on a straight line, find the value of p.
Solution:

Find the inclination of the line joining the points P (4, 0) and Q (7, 3).
Solution:

More Solutions:
- A straight line passes through P (2, 1) and cuts the axes.
- The coordinates axes positive intercepts whose sum is 7.
- If the coordinates of the vertex A of a square ABCD are (3, -2).
- Pairs of triangles in the figure given below are similar.
- It is given that ∆DEF ~ ∆RPQ.
- Find the lengths of the remaining sides of the triangles.