Geometry

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linear pair

A linear pair of angles is formed when two lines intersect.

linear pair

A pair of adjacent angles whose noncommon sides are opposite rays.

Vertical angles

A pair of opposite congruent angles formed by intersecting lines

Vertical angles

The angles opposite each other when two lines cross. Vertical in this case means they share the same vertex

linear pair

The measure of a straight angle is 180 degrees, so a linear pair of angles must add up to 180 angles

Complementary angles

There has to be two angles that equal up to 90 degrees but they don't have to be by each other though

supplementary angles

They don't have to be next to each other,just so long as the total is 180 degrees

complementary angles

Two Angles are Complementary when they add up to 90 degrees (a Right Angle).

linear pair

Two angles are a linear pair if they have a common side and their other sides are opposite rays

Vertical angles

Two angles directly across from each other on intersecting lines

supplementary angles

Two angles whose sum is 180 degrees

Complementary angles

Two angles whose sum is 90 degrees

supplementary angles

the two angles must either both be right angles, or one must be an acute angle and the other an obtuse.

linear pair

two adjacent angles whose noncommon sides are opposite rays

supplementary angles

two angles that add up to 180 degrees

Complementary angles

two angles that add up to 90 degrees

supplementary angles

two angles whose measures have a sum of 180 degrees

Complementary angles

two angles whose measures have a sum of 90 degrees

Vertical angles

two angles whose sides form two pairs of opposite rays

Vertical angles

two nonadjacent angles formed by two intersecting lines


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