SOLUTION: A ladder is resting against a wall. The top of the ladder touches the wall at a height of 12 ft. Find the length of the ladder if the length is 4 ft more than its distance from t

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Question 412138: A ladder is resting against a wall. The top of the ladder touches the wall at a height of 12 ft. Find the length of the ladder if the length is 4 ft more than its distance from the wall. Answer should be in ft.
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
by Pythagoras ___ 12^2 + (x - 4)^2 = x^2

144 + x^2 - 8x + 16 = x^2

160 = 8x