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Which of the following statements is false for spherical triangles used to solve great circle
sailing problems?
a) A corner of a spherical triangle is the pole of hemisphere where the departure point is
located.
b) The perpendicular plotted from the pole cuts the great circle arc at the vertex point.
c) If departure and destination points are in the same hemisphere, two arcs of the spherical
triangle are co-latitudes (90 - lat).
d) The pole angle of a spherical triangle is "dlong" between departure and destination points.
e) The degree of the arc between departure and destination points is (90 – lat).
Transcribed Image Text:Which of the following statements is false for spherical triangles used to solve great circle sailing problems? a) A corner of a spherical triangle is the pole of hemisphere where the departure point is located. b) The perpendicular plotted from the pole cuts the great circle arc at the vertex point. c) If departure and destination points are in the same hemisphere, two arcs of the spherical triangle are co-latitudes (90 - lat). d) The pole angle of a spherical triangle is "dlong" between departure and destination points. e) The degree of the arc between departure and destination points is (90 – lat).
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