SOLUTION: A 16 foot ladder is leaning up against a building, 7 feet from the wall. How highs the ladder?

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Question 708246: A 16 foot ladder is leaning up against a building, 7 feet from the wall. How highs the ladder?
Answer by nerdybill(7384) About Me  (Show Source):
You can put this solution on YOUR website!
A 16 foot ladder is leaning up against a building, 7 feet from the wall. How highs the ladder?
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Let x = how high the ladder reaches
then applying Pythagorean theorem:
x^2 + 7^2 = 16^2
x^2 + 49 = 256
x^2 = 207
x = 14.39 feet