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OpenStudy (anonymous):
Please find my question attached.
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OpenStudy (anonymous):
Question 17.
OpenStudy (callisto):
|dw:1338299199314:dw| From the diagram, tan 50 = x/y => y = x/ (tan50) -(1) tan40 = x/ (y+7) -(2) Sub (1) into (2) tan 40 = x / [( x/tan50) +7] (xtan40/tan50) + 7tan40 = x x = 7tan40 / [1- (tan40/tan50)] =... Height required = ... +1.75
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