Mathematics
A man goes 40 m due north and then 50 m due west. Find his distance from the starting point.
Related Questions
In the given figure, AD = 13 cm, DC = 12 cm and BC = 3 cm, then AB is equal to :

4 cm
3 cm
5 cm
6 cm
A ladder 13 m long rests against a vertical wall. If the foot of the ladder is 5 m from the foot of the wall, find the distance of the other end of the ladder from the ground.
In the figure : ∠PSQ = 90°, PQ = 10 cm, QS = 6 cm and RQ = 9 cm. Calculate the length of PR.

In a quadrilateral PQRS, ∠Q = ∠S = 90° then prove that 2PR2 - QR2 = PQ2 + PS2 + SR2.