Segments, Rays, Parallel Lines, and Planes Geometry Mrs. King Unit 1, Lesson 3.

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Presentation transcript:

Segments, Rays, Parallel Lines, and Planes Geometry Mrs. King Unit 1, Lesson 3

Definition Segment: the part of a line consisting of two endpoints and all points between them. P Q

Definition Ray: the part of a line consisting of one endpoint and all points on the line to one side of the endpoint. Q P

Definition Opposite rays: two collinear rays with the same endpoint. Q P R

Definition Parallel lines: coplanar lines that do not intersect. l m l || m

Definition Parallel planes: planes that do not intersect.

Homework Segments, Rays, Parallel Lines, and Planes in Student Practice Packet (Page 4, #1-17)