The top of a 15-foot ladder touches the edge of the roof of a building, and the base of the ladder is 6 feet from the building. What assumptions are made about the building and the ladder when using the Pythagorean Theorem to solve real world problems like this?

Question

turingtest · Answer

That the ladder is perfectly straight and... anything else?

anonymous · Answer

that the building meets the ground at a right angle, and also that, unlike most of my friends, the building is straight

turingtest · Answer

there ya have it