Quandaries and Queries


Two buildings are separated by a three-foot alleyway. Fatima wants to use a 16 foot ladder to reach a window in the wall of one of these buildings. If she places the foot of the ladder against the base of the other building, how far up the wall will the top of the ladder reach?




Hi Kelly,

Here is my diagram.

I think you can use Pythagoras' theorem.



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