# 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.
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.
The first and second worked examples showed how to solve for two angles on parallel lines using the rules; angles on a straight line add up to 180[degrees] and alternate angles are equal.
2) Identifying the position of alternate angles on parallel lines and applying the rule that alternate angles are equal.
99 and lay them at alternate angles, with a Black charger plate underneath, pounds 1.
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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