# alternate angles

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Related to alternate angles: vertically opposite angles

## alternate angles

[′ȯl·tər·nət ′aŋ·gəlz]
(mathematics)
A pair of nonadjacent angles that a transversal forms with each of two lines; they lie on opposite sides of the transversal, and are both interior, or both exterior, to the two lines.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The first SMART Notebook slide provided information on parallel and transversal lines, the second slide showed how two angles on a straight line add up to 180[degrees], the third slide showed the different positions of alternate angles on parallel lines and how alternate angles are equal.
(2) Identifying the position of alternate angles on parallel lines and applying the rule that alternate angles are equal.
Take two squarely shaped black and white plates from the Yo 16 piece dinner set, pounds 24.99 and lay them at alternate angles, with a Black charger plate underneath, pounds 1.29 each, for a 'designer' effect.
But as the actors and camera move around, boundaries are ignored, and thesps often cross the middle line to the other side or turn up in alternate angles of the same scene.
In the Commentary on the Difficulties of Certain Postulates of Euclid's Work, Khayyam takes issue with Postulate I.29 of the Elements, the notorious Parallel Postulate: "A straight line falling on parallel straight lines makes alternate angles equal ...
On the following pages, there is a side and overhead cut-away of the sub, indicating the silo layout and then several frill-color alternate angles and additional shots of the sub--again with renderings of the missile overlaid on the photo.
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