Question

A ladder in 50 m long reache in window of building 40 m above the ground determin the distance of the foot of the ladder for the building ​

Answer 1

Required answer is 30 metres.

(By using Pythagoras theorem)

Answer 2

Solution — →

Let the height of building as AB and Ladder as AC . The horizontal distance between ladder and building from the ground is CB

Applying Pythagoras theorem here :-

Hypotenuse ² = Perpendicular ² + base ²

50² = 40² + CB ²

2500 - 1600 = CB ²

900 = CB²

CB = 30 m

Hence horizontal distance between ladder and building is 30 m .