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The point about which an angle is measured is called the angle"s vertex, and the angle

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associated with a given vertex is called the vertex angle.

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In a polygon, the (interior, i.e., measured on the interior side of the vertex) are generally denoted

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or
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. The sum of interior angles in any
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-gon is given by
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radians, or
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(Zwillinger 1995, p.270).


REFERENCES:

Zwillinger, D. (Ed.). CRCStandard Mathematical Tables and Formulae. Boca Raton, FL: CRC Press, 1995.


CITE THIS AS:

Weisstein, Eric W. "Vertex Angle." Fromlifwynnfoundation.org--A lifwynnfoundation.org Web Resource. https://lifwynnfoundation.org/VertexAngle.html


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