Angle Relationships Geometry 1.5.

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Presentation transcript:

Angle Relationships Geometry 1.5

Adjacent Angles Two angles which share a vertex and a side, and nothing else.

Complementary Angles Two angles which add up to 90°; they are both acute.

Supplementary Angles Two angles which add up to 180°; either they are both right angles, or one is acute and the other is obtuse.

Linear Pair Two adjacent supplementary angles: They form a straight angle (line).

Linear Pair Two adjacent supplementary angles: They form a straight angle (line).

Linear Pair Two adjacent supplementary angles: They form a straight angle (line).

Linear Pair Two adjacent supplementary angles: They form a straight angle (line).

Vertical Angles Two angles on opposite sides of intersecting lines; they are always congruent.

Vertical Angles Two angles on opposite sides of intersecting lines; they are always congruent.