Lesson 18Power Up DPage 114 Lines and Angles. Lines – No end, extends in both directions forever. Segments – Two endpoints, length can be measured. Lines.

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Presentation transcript:

Lesson 18Power Up DPage 114 Lines and Angles

Lines – No end, extends in both directions forever. Segments – Two endpoints, length can be measured. Lines and Segments

Ray – one endpoint, extends in one direction forever. Planes – a flat two-dimensional surface Rays and Planes

Parallel – Do not cross Perpendicular – Intersect and form right angles Oblique – Intersect but not perpendicular or not vertical or horizontal Types of Lines

Formed by 2 rays with a common endpoint (vertex) Naming Angles B A C 1

Two Angles that form a straight angle (180°). Linear Pair

Classifying Angles

Practice Problems

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