ECZ 2013 · O-Level Paper 2 · Question 11 — Earth Geometry

M, R and Z are points on the surface of the earth as shown in the diagram below. M is on the parallel of latitude 55°N, Z and R are on the same parallel of latitude 65°S, M and R are on the same longitude 30°E and Z is on longitude 45°W. Take pi = 3.142 and R = 6 370 km.

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