SOLUTION: A ladder 40 ft long leans against a building and reaches a ledge. The foot of the ladder is 16 ft from the building. How high is the ledge?
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Question 141755: A ladder 40 ft long leans against a building and reaches a ledge. The foot of the ladder is 16 ft from the building. How high is the ledge?
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
let h=height
by Pythagoras __ h^2+16^2=40^2 __ h^2=40^2-16^2 __ h=8sqrt(21)
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