Definition:Birectangular Spherical Triangle
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Definition
A spherical triangle is described as birectangular if and only if it has $2$ right angles.
Also see
- Results about spherical triangles can be found here.
Sources
- 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): birectangular
- 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): birectangular