A ladder of 5 metres length is against a wall the distance between the foot of ladder and foot of the wall is 3 metres find the height at which the ladder touches the wall?
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A ladder of 5m that means the hypotenuse is 5m and then the distance btw the foot of ladder and wall is 3m i.e. base is 3m now we need to find the height of wall now we use Pythagoras theorm we get height=4m
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