Question

. A ladder 25 m long reaches a window which is 7 m above the ground, on one
street. Keeping its foot at the same point, the ladder is turned to the other side of
to reach a window at a height of 24 m. Find the width of the street.​

Answer 1

apply Pythagoras theorem.

√(625-49)=23

√625-575=7

hence length of street =23+7=30