# Alternate Angles

**Alternate Angles**is a tautogram (all words start with the same letter). View more tautograms!

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## Definition of the noun Alternate Angles

What does Alternate Angles mean as a name of something?

**noun**

- [
*geometry*] the internal angles made by two (parallel) lines with a third, on opposite sides of it.

If the parallels AB, CD, are cut by the line EF, intersecting at points G and H, then the angles AGH, GHD, are called alternate angles (as also are the angles BGH and GHC).

## Printed dictionaries and other books with definitions for Alternate Angles

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### The VNR Concise Encyclopedia of Mathematics (2012)

by S. Gottwald

**Alternate angles**: the arms of one are directed in the opposite sense to those of
the other; for example, o = 'y', or y = x'. 3. Interior and exterior angles: the arms on
the parallels are directed in the same sense and those on the intersecting lines ...

### The Facts on File Dictionary of Mathematics (2009)

by John Daintith, Richard Rennie

**Alternate angles**: **alternate angles** formed by a line cutting two parallel lines.
annuity straight angle obtuse angle...

### The London encyclopaedia, or, Universal dictionary of science, art, literature, and practical mechanics, by the orig. ed. of the Encyclopaedia metropolitana [T. Curtis]. (1839)

by Thomas Curtis (of Grove house sch, Islington)

intersect two parallel lines, A B and C D, **the alternate angles** B E F, C F E will
be equal to each other. If they are unequal, suppose B EF to be the greater, and
that D E F is the part of it which is equal to C F E. Then, as A B is parallel to C D, ...

### Mathematical Dictionary and Cyclopedia of Mathematical Science (1872)

Comprising Definitions of All the Terms Employed in Mathematics - an Analysis of Each Branch, and of the Whole, as Forming a Single Science by Charles Davies

**Alternate Angles**. In elementary geometry, if two parallel straight lines are
intersected by a third, the two inner angles, on opposite side of the cutting line,
are cal led alternate interior angles : also, the two outer angles, on opposite sides
of the ...

### Encyclopaedia Britannica, Or a Dictionary of Arts, Sciences, and Miscellaneous Literature (1810)

If a straight line EF meet two parallel
straight lines AB, CD, it makes **the alternate angles** AEF, EFD equal. LET EH and
...

### The Encyclopaedia Britannica, Or Dictionary of Arts, Sciences, and General Literature (1842)

G K Theorem XXI If a straight line EF meet two parallel Lines and straight lines
AB, CD; it makes **the alternate angles** figures AEF, EFD equal. Let EH and GF be
perpendicular to CD, then these lines will be parallel (18), and also at right
angles ...

### Dictionary of Mathmatics (2010)

by Preadeep Sharma

**Alternate angles** (y*Mt **Alternate angles** are the
angles made when two lines are crossed by Another straight line. Alternate.

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## Video about Alternate Angles

**Alternate angles Meaning**

Video shows what alternate angles means. the internal angles made by two (parallel) lines with a third, on opposite sides of it. If the parallels AB, CD, are cut by ...

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