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## Transversal (geometry)

en.wikipedia.org/wiki/Transversal_(geometry)

Further, if the angles of one pair are congruent, then the angles of each of the other ... angle on a triangle is always greater than the opposite interior angles.

## Vertical Angles definition - Math Open Reference

www.mathopenref.com/anglesvertical.html

As can be seen from the figure above, when two lines intersect, four angles are formed. Each opposite pair are called vertical angles and are always congruent.

## Types of Angles - Regents Exam Prep Center

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

Vertical Angles are 2 angles whose sides form two pairs of opposite rays (straight lines). Vertical angles ... They are always equal in measure. <1 and <3 are ... THEOREM: Complements of the same angle, or congruent angles, are congruent .

## Angles with Parallel Lines - Regents Exam Prep Center

www.regentsprep.org/regents/math/geometry/gp8/lparallel.htm

These names describe angles whether the lines involved are parallel or not parallel. Remember that: - the word INTERIOR ... If two parallel lines are cut by a transversal, the alternate interior angles are congruent. ... Vertical angles are ALWAYS equal, whether you ... If two angles form a linear pair, they are supplementary.

## Vertical Angles in Geometry: Definition & Examples - Video ...

Vertical angles are a pair of non-adjacent angles formed when two lines intersect . We see ... However, vertical angles always have a common vertex. Here ... Here , if we add in the angle measures, we'll see that vertical angles are congruent.

## Congruent Angles - Math is Fun

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

Congruent Angles have the same angle (in degrees or radians). That is all. ... the same angle. Congruent - why such a funny word that basically means "equal"?

## Pairs of Angles | WyzAnt Resources - Tutors

www.wyzant.com/resources/lessons/math/geometry/lines_and_angles/pairs_of_angles

In geometry, certain pairs of angles can have special relationships. Using our ... Vertical angles always have equal measures. ? ... The figure on the right has alternate interior angles that are congruent because there is a set of parallel lines .

## Angles and parallel lines (Pre-Algebra, Introducing geometry ...

www.mathplanet.com/education/pre-algebra/introducing-geometry/angles-and-parallel-lines

When two lines intersect they form two pairs of opposite angles, A + C and B + D. ... Vertical angles are always congruent, which means that they are equal.

## Angle pairs formed by parallel lines cut by a transversal - Math

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

There are several special pairs of angles formed from this figure. Some pairs have ... Recall that all pairs of vertical angles are congruent. Supplementary pairs : ...

## Explain why vertical angles must be congruent - Math StackExchange

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

Jan 24, 2013 ... Two intersecting lines form two pair of congruent vertical angles. If the vertical angles of two intersecting lines fail to be congruent, then the two ...

Popular Q&A
Q: What is pair of angles are always congruent.
A: Parrelle lines are congruent. Think of a square and its angles(; Read More »