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OpenStudy (anonymous):
The picture shows a portion of an irrigation system for a farm. QR is the main water pipe.
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OpenStudy (anonymous):
What is the length of the water pipe PR? 10 feet 14.1 feet 20 feet 28.3 feet @jim_thompson5910
jimthompson5910 (jim_thompson5910):
cos(45) = adj/hyp cos(45) = adj/20 20*cos(45) = adj adj = 20*cos(45) adj = 20*0.707 adj = 14.1 So PR is roughly 14.1 ft
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