Busy. Please wait.

Forgot Password?

Don't have an account?  Sign up 

show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.

By signing up, I agree to StudyStack's Terms of Service and Privacy Policy.

Already a StudyStack user? Log In

Reset Password
Enter the email address associated with your account, and we'll email you a link to reset your password.

Remove ads
Don't know (0)
Know (0)
remaining cards (0)
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards

Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Geometry {Lesson 2}

Points, Lines, and Planes

Geometry A mathematical system built on accepted facts, basic terms, and definitions.
Undefined terms The basic ideas that you can use to build the definitions of all other figures in geometry.
Point Indicates a location and has no size.
Line Represented by a straight path that extends in two opposite directions who end and have no thickness. This also contains infinitely many points.
Plane Represented by a flat surface that extends without end and has no thickness. It also contains many lines.
Collinear points Points that lie on the same line.
Coplanar Points and lines that lie on the same plane.
Space The set of all points in three dimensions.
Segment Part of a line that consist of two endpoints and all points between them.
Ray Part of a line that consists of one endpoint and all the points of the line on one side of the endpoint.
Opposite rays Two rays that share the same endpoint and share a line.
Postulate/Axiom An accepted statement of fact.
Intersection The set of points the figures have in common.
Created by: Rylee.emma