nena82 added a question in New Logic/Math PuzzlesTetrahedronThe following three coordinates are vertices of a regular tetrahedron circumscribed by the earth (assume spherical). The answer is at the fourth. P1: S 17.6829061279° E 175.937938962°
P2: N 26.7978332041° E 072.5860786255°
P3: S 52.1980005058° W 015.0157003564°
Anyone know how to solve this?
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