SOLUTION: a 5m long ladder is placed against wall its foot 1.8m from the wall .find how far up the wall the ladder reaches

Question 459617: a 5m long ladder is placed against wall its foot 1.8m from the wall .find how far up the wall the ladder reaches
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
Ladder length= 5m
Distance from wall= 1.8m
Height ladder reaches on wall x m

By Pythagoras theorem
Hypotenuse^2 = Leg1^2+leg2^2
5^2-1.8^2=x^2
25-3.24 =x^2
21.76=x^2

x= 4.66 m

RELATED QUESTIONS
A ladder 9m long leans against a verical wall. If the foot is r m from the wall, find how (answered by josgarithmetic)

a ladder that is 7 meters long leans up against a wall. The top of the ladder reaches 6.5 (answered by dkppathak)

Please explain me this question step by step in detail and also give me the solution: Q) (answered by Alan3354,richwmiller,Vladdroid)

A 40-ft ladder is leaning against a wall. If the ladder reaches 20 ft up the wall,how far (answered by rfer)

a 4 m ladder rests against a vertical wall with its foot 2m from the wall. How far up the (answered by josgarithmetic)

A ladder 6m long leans against the wall. It is 3m from the base of the wall. How far up... (answered by josgarithmetic)

How far from the wall is a 8 meter long ladder if it reaches 6 meters up the... (answered by Alan3354,drk)

a 6ft ladder is placed against a wall with its base 2-ft from the wall.how far is the... (answered by TimothyLamb)

A ladder leans against a vertical wall and makes an angle of 60� with the ground and the... (answered by josgarithmetic)