Pythagorean Theorem, The height of sueLo's 5th floor apartment window off the ground is 10 feet longer than the distance from the base of the apartment building to wall. She is concerned that the fire department's 50-foot ladder would not be able to reach her window in case of an emergency. (assume that the ladder must be positioned against the wall.
algebra - PsyDAG, Thursday, October 14, 2010 at 10:23am
Let w = distance to wall
50^2 = w^2 + (w + 10)^2
Solve for w.