# Geometry Point Line segment Ray Plane Parallel lines

- Slides: 13

Geometry Point Line segment Ray Plane Parallel lines Intersecting lines Angles

Geometry Point An exact location in space Line An endless collection of points along a straight path Line segment Part of a line that has two endpoints . A

Geometry Ray Part of a line that has one endpoint and extends endlessly in the other direction Plane An endless, flat surface that is named by any three points not on the same line. . B . C. A

Geometry Parallel Lines do not intersect but are in the same plane Intersecting Lines meet at one point Perpendicular Lines form a right angle

Angles An angle is formed when two rays have the same endpoint. This endpoint is called the vertex. The two rays that form the angle are called sides.

Angles There are four types of angles Right angle Straight angle Acute angle Obtuse angle

Right Angles Forms a square corner Forms a 90 degree angle. 90 degrees Use a corner of your index card to make sure you a have a right angle

Straight Angle Forms a straight line Angle is 180 degrees Use the edge of your index card to make sure you have a straight angle.

Acute Angles Forms an angle that is less than a right angle Angle is less than 90 degrees

Obtuse Angles Form an angle that is more than a right angle Angle is more than 90 degrees

Review Name each picture Ray Parallel lines Line 1. 2. 3.

Review Name each picture Acute angle 4. 5. Line segment 6. Point

Review Name each picture Intersecting lines Perpendicular and Intersecting lines Plane

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