Angle Relationships Lesson 1.5.

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Presentation transcript:

Angle Relationships Lesson 1.5

Adjacent angles – angles next to each other that share a side and a vertex. A D B C 2. Vertical angles – non-adjacent angles formed by two intersecting lines.

3. Linear Pair – two angles that form a line 3. Linear Pair – two angles that form a line. They are adjacent and are formed by opposite rays. <2 <1 4. Complementary Angles – two angles whose measure sum to 90 degrees. May or may not be adjacent. 20 70

6. Perpendicular – Lines that intersect to form right angles. 5. Supplementary Angles – two angles whose measure sum to 180. May or may not be adjacent. 30 150 6. Perpendicular – Lines that intersect to form right angles.