Notes 1.1 Points, Lines, & Planes.

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Objectives Identify, name, and draw points, lines, segments, rays, and planes. Apply basic facts about points, lines, and planes.

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Presentation transcript:

Notes 1.1 Points, Lines, & Planes

NEED TO KNOW….. Euclid - created geometry in flat space. Hyperbolic Geometry – geometry that is rounded like an hyperbola.

Common Terms in Geometry

More Terms…..

Definitions Collinear – points that lie on the same line. Noncollinear – Do Not lie on the same line. Coplanar – points that lie on the same plane. Noncoplanar – Do not lie on the same plane.

Postulates – Accepted as ALWAYS TRUE

EXAMPLES: 1. Two opposite rays. CB and CD 2. A point on BC. Possible answer: D 3. The intersection of plane N and plane T. Possible answer: BD 4. A plane containing E, D, and B. Plane T

More Examples Draw each of the following. 5. a line intersecting a plane at one point 6. a ray with endpoint P that passes through Q