Spherical Triangle

Spherical Triangle

Part of the surface of a sphere bounded by minor arcs of three great circles.

Properties

  • A spherical triangle is subtended by a polyhedral angle whose vertex is the centre of the sphere.
  • The sum of the degree measures of the interior angles of a spherical triangle ranges from 180° to 540°.
  • A spherical triangle can be a right spherical triangle, which helps to conceptualize spherical trigonometry.

Example

Triangle Sphérique

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