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question is: A cottage under construction is to be 15.6 m wide. The two sides of the roof are to be supported by equal rafters that meet at a 52 degree angle. Determine the length of the raters to the nearest cm using (i) cosine Law and (ii) Sine Law. what i am having trouble with is that...

the question is: A jet flew from Tokyo to Bagkok, a distance of 4800 km. On the return trip, the speed was decreased by 200 km/h. If the difference in the times of the flight was 2 h, what wast the jet;s speed from Bangkok to Tokyo? here is what i have so far..its not much Let x represent...