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OpenStudy (anonymous):
The figure shows a triangular wooden frame ABC. The side AD of the frame is to be braced with a steel wire.
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OpenStudy (anonymous):
What is the length, in inches, of the steel wire required to brace side AD? 4.2 5.1 6.2 6.9 @jim_thompson5910
jimthompson5910 (jim_thompson5910):
AD = AB - BD AD = 12*tan(45) - 12*tan(30) AD = 12(tan(45) - tan(30)) AD = 12(1 - 0.577) AD = 5.076 So AD is roughly 5.1 inches
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