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A building has a window that is 12 feet high. Stan is going to use a ladder to get up to the window and decides to keep the ladder 5 feet away from the side of the building. How long does the ladder need to be?

Respuesta :

FaiFai
the ladder needs to be 13-15 feet high
I've just researched this and it's saying it should be at least a 15' ladder :D

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