A ladder rests against the side of a building. The base of the ladder is 3 feet from the base of the wall. The top of the ladder rests at a point 4 feet up the wall. How many feet tall is the ladder?

Question

aravindg · Answer

First draw a figure :)

terenzreignz · Answer

Diagram helps
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And ring up ol' Pythagoras :D

anonymous · Answer

Does This Help?
 
W^2 + G^2 = L^2 (W=wall=4, G=ground=3, L=Ladder=?)
 4^2 + 3^2 = L^2
 16 + 9 = L^2
 25 = L^2
 So the square root of 25 = L or L = 5 forming a standard 3-4-5 right triangle