Vertex angle
From Wikipedia, the free encyclopedia
In geometry, a vertex angle is the angle associated with a vertex of a polygon.
The vertex angle (denoted by α1 or A1) in a polygon is measured by the interior side of the vertex. For any simple n-gon, the sum of the interior angles is π(n − 2) radians or 180(n − 2) degrees.[1]
See also
- Complementary angles
- Supplementary angles
- Dihedral angle
References
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