Q and T are two towns on the same parallel of latitude 50 N. Q is on Longitude 150E and T on Longitude 75 E. Taking the earth as a sphere of radius 6400km and 1 = 3.142. Calculate, correct to three significant figure a)the Radius of the parallel of latitude on which Q and T lie
b) Shorter distance QT measured along the parallel of latitude
c) Distance of T from the equator measure along the line of longitude