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OpenStudy (anonymous):
A ladder is resting against a wall. The ladder and the ground make an angle of 45° and the ladder is 7 ft from the wall. How long is the ladder?
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OpenStudy (anonymous):
\[7\times \sqrt{2}\]
OpenStudy (anonymous):
9.90 feet?
OpenStudy (anonymous):
yeah 7/cos45=9.899=9.90 cos(x)=a/h |dw:1323106681907:dw|h=a/cos(x)
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