nena82

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About nena82

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  1. Tetrahedron

    The 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?