Question

A ladder of 5 metre length is laid against a wall.The distance between the foot of the wall and foot of the ladder is 3 metre.Find the height at which the ladder touches the wall. ​

Answer 1

Answer:

4 m

Step-by-step explanation:

Given- length of ladder =5 m

horizontal distance between ladder and wall=4 m

clearly this forms a right angled triangle,

therefore,

height of wall at which the ladder touch=✓5^2-3^2 = 4 m