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15 Cards in this Set

  • Front
  • Back
I am represented by a group of points having no endpoints. I extend indefinitely in two opposite directions.

What am I?
I am a line.
I am part of a straight line. I am represented by a group of points having two endpoints.

What am I?
I am a line segment.
I represent the point at which a ray begins.

What am I?
I am the origin.
I am that part of a line represented by a group of points having one endpoint. I extend indefinitely in one direction.

What am I?
I am a ray.
We are straight lines that meet at only one point.

What are we?
We are intersecting lines.
We are two straight lines in the same plane that do not intersect. We are the same distance apart at every point.

What are we?
We are parallel lines.
We are straight lines that interect to form right angles.

What are we?
We are perpendicular lines.
I am a straight line which is not horizontal or vertical.

What am I?
I am an oblique line.
I am a straight line which follows the direction of a plumb line.

What am I?
I am a vertical line.
We represent the two points which limit a line segment.

What are we?
We are endpoints.
I am a straight line which follows the direction of still water.

What am I?
I am a horizontal line.
I change direction continually from point to point.

What am I?
I am a curved line.
I keep the same direction from point to point throughout my entire length.

What am I?
I am a straight line.
I am represented by a very tiny dot made by a very sharp pencil. I have an exact location in space.

What am I?
I am a point.
I am represented by a smooth, flat surface that has no thickness and extends indefinitely in all directions.

What am I?
I am a plane.