A ladder $20$ m long is placed in a street, so as to reach a window $16$ m high and on turning the ladder to the other side of the street it reaches a point $12$ m high. What is the width of street?

Q. In given figure a ladder 15 m long reaches a window which is 9 m above the ground on one side of a street. Keeping its foot at the same point, the ladder is turned to other side of the street to reach a window 12 m high. Find the width of the street.

Q. A ladder of $15$ m length reaches a window which is $9$ m above the ground on one side of the street. Keeping its foot at the same point the ladder is turned to the other side of the street and now it reaches a widow $12$ m high. The width of the street is

Q. A ladder is placed so as to reach a window 63 cm above the foot of the ladder. The ladder is then turned over to the opposite side of the street and is found to reach a point 56 cm high. If the ladder is 65 cm long, then the width of the street is ____.

Q. Walls of two building on either side of a street are parallel to each other. A ladder $5.8$ m long is placed on the street such that its top just reaches the window of a building at the height of $4$ m. On turning the ladder over to the other side of the street, its top touches the window of the other building at a height $4.2$ m find the width of the street.