Spherical Triangle Calculator

A spherical triangle is a geometric figure on the surface of a sphere consisting of three points and three arcs of large circles connecting these points in pairs.

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Spherical Triangle Calculator

Circle radius (r)
Corner α
Corner β
Corner γ
Spherical excess (ε)
Square (S)

Formulas

ε = α + β + γ – π
ε = α + β + γ – 180 °
S = ε * r2