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www.ask.com/math/vertical-angles-congruent-e2e1fa473d7df470

In mathematics,

vertical angle

NOUN
[GEOMETRY.]

1.

one of two opposite and equal angles formed by the intersection of two lines.

Source:
Dictionary.com

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

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

physics.about.com/od/physicsexperiments/a/surfacetension_3.htm

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 »

www.khanacademy.org/math/basic-geo/basic-geo-angles/basic-geo-angle-relationships/e/vertical_angles

Practice

www.khanacademy.org/math/basic-geo/basic-geo-angles/basic-geo-angle-relationships/v/angles-at-the-intersection-of-two-lines

By using our knowledge of supplementary, adjacent, and

www.mathopenref.com/anglesvertical.html

Definition and properties of

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

www.mathwords.com/v/vertical_angles.htm

In the diagram below, angles 1 and 4 are vertical. So are angles 2 and 3.

Answer

vertical angle | Define vertical angle at Dictionary.com

dictionary.reference.com/browse/vertical angle

dictionary.reference.com/browse/vertical angle

The world's most popular free online dictionary with definitions, spell check, word origins, example sentences, audio pronunciations, Word of the Day and more!

Popular Q&A

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 Are Vertical Angles ?

A:
Adjacent Angles . These angles have a common vertex and a common side. The sum of two angles doesn't necessarily have to be 180 degrees for them to be adjacent a ...
Read More »

Source:
www.ehow.com

Q:
Why are vertical angles used?

A:
because 360 degrees is the total amount of degrees you can get. the degrees are essentially the angle measurement. anything that is 180 degrees is a vertical . s...
Read More »

Source:
wiki.answers.com

Q:
What is the vertical angle theorem?

A:
Given two intersecting lines, the two angles opposite each other have the same measure and are congruent.
Read More »

Source:
wiki.answers.com

Q:
What is vertical angle ?

A:
n. Either of two angles formed by two intersecting lines and lying on opposite sides of the point of intersection.
Read More »

Source:
www.answers.com