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An 18-foot ladder is leaning against a vertical brick wall. The base of the ladder is 9 feet away from the wall. At what angle does the ladder meet the wall?
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Jun 4, 2018
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An 18-foot ladder is leaning against a vertical brick wall. The base of the ladder is 9 feet away from the wall.
At what angle does the ladder meet the wall?
Mathematics
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Curv
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Curv
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a^2 + b^2 = c^2
a^2 + 9^2 = 18^2
a^2 + 81 = 324
a^2 = 243
a = 15.589 = 15.6 feet is the angle the ladder is at :)
Neil Wightman
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Jun 10, 2018
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Neil Wightman
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