A plane flies east from A ( lat 53°N, long 85°E) at an average speed of 400km/h. the plane then flies south from B to a point C 200km away. calculate, correct to the nearest whole numbers.
a, the distance between A and B
b, the time the plane takes to reach a point B
c, the latitude of C
( take the radius of the earth to be 6,400km and π=22/7)?
In Mathematics
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Asked by promise on 10th January, 2019
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