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In mathematics, vertical angles are always congruent. Vertical angles are the angles positioned opposite from each other when two lines intersect. They are called vertical because ...

vertical angle
NOUN [GEOMETRY.]
1.
one of two opposite and equal angles formed by the intersection of two lines.
Source: Dictionary.com

## Vertical Angles - Math is Fun

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

Vertical Angles are the angles opposite each other when two lines cross. " Vertical" in this case means they share the same Vertex (corner point), not the usual ...

## Definition of Vertical Angles - Math is Fun

www.mathsisfun.com/definitions/vertical-angles.html

Vertical Angles are the angles opposite each other when two lines cross. They are always equal. In this example a° and b° are vertical angles. Try moving the ...

One thing to consider in this equation is that in cases where the meniscus is convex (i.e. the contact angle is greater than 90 degrees), the cosine component of this equation will be negative which means that the liquid-solid surface tension will be positive. If, on t... More »
By Andrew Zimmerman Jones, About.com Guide

## Vertical angles | Khan Academy

Practice vertical angles with Khan Academy's free online exercises.

## Introduction to vertical angles | Relationships between angles | Khan ...

By using our knowledge of supplementary, adjacent, and vertical angles, we can solve problems involving the intersection of two lines. Including this one!

## Vertical Angles definition - Math Open Reference

www.mathopenref.com/anglesvertical.html

Definition and properties of vertical (or opposite) angles.

## Vertical Angles: Definition, illustrated examples, and an interactive ...

www.mathwarehouse.com/geometry/angle/vertical-angles.php

Vertical angles explained with examples , pictures, an interactive program and a practice quiz.

## Mathwords: Vertical Angles

www.mathwords.com/v/vertical_angles.htm

In the diagram below, angles 1 and 4 are vertical. So are angles 2 and 3. Vertical angles are angles opposite one another at the intersection of two lines. Vertical ...

vertical angle | Define vertical angle at Dictionary.com
dictionary.reference.com/browse/vertical angle
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Popular Q&A
Q: What Are Vertical Angles?
A: Vertical angles, also called opposite or vertically opposite angles, are formed when two lines intersect with each other and angles are not adjacent. These angl... Read More »
Source: www.ehow.com
Q: How to Solve Vertical Angles.
A: You can use the properties of vertical angles to solve the algebraic expressions of two vertical angles. Two lines that intersect one another create four angles... Read More »
Source: www.ehow.com
Q: What is a vertical angles?
A: vertical angles are congruent kissing v's like this >< something in that direction of symbols congruent means that they are equal to or same as. Read More »