An aeroplane took 4 hours to fly from a town p(45°N ,75°E) to another town T(45°N,15°E).The aeroplane changed course and eight hours after leaving T,arrived at third town Q(0°N,15°E).If the flight from p to T was along the parallel of latitude,and from T to Q along meridian. Find (a) the total length of the journey
b)Average speed of the aircraft.
Take R=6400km π=22 /7?
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Asked by Alex Baba on 23rd November, 2019
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