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Web Results

en.wikipedia.org/wiki/Angle

In planar geometry, an angle is the figure formed by two rays, called the sides of
the angle, ... 1 Identifying angles; 2

www.regentsprep.org/regents/math/geometry/gp5/langles.htm

www.mathopenref.com/anglesvertical.html

Definition and properties of vertical (or opposite)

www.mathsisfun.com/geometry/congruent-angles.html

www.mathwarehouse.com/geometry/angle/parallel-lines-cut-transversal.php

The

www.algebralab.org/lessons/lesson.aspx?file=geometry_anglescomplementarysupplementaryvertical.xml

Introduction: Some

www.math10.com/en/geometry/angles/angles.html

www.coolmath.com/reference/triangles-types

Since the sum of the

www.freemathhelp.com/feliz-special-angles.html

Certain

math.stackexchange.com/questions/286114/explain-why-vertical-angles-must-be-congruent

Jan 24, 2013

More Info

www.answers.com

vertical

study.com

They are defined as a pair of nonadjacent

www.mathplanet.com

Vertical