Question

A ladder 17m long ,reaches awindow of building 15m .above the ground . Find distance of the foot of the ladder from the building

Answer 1

In this question, we have to use Pythagoras Theoram.

Hypotenious square=perpendicular square+base square.

H square will be 17, perpendicular square will be 15.

Now,17square= 15square + ?

289=225+?

289-225=?

64 is the base which is the sqaure of 8.