Question

A ladder reaches a window which  is 12 m  above the ground on one side of the street . Keeping its foot at the same point ,the ladder is turned to the street to reach a window 5 m high . find the  width of the street if the length of the ladder is 13 m .

Answer 1

We will use pythagoras theorem in this and the width of the street will be 12 +5 =17m