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

Stack #6


Points a dot that shows an exact place in a space .
Lines a straight path that goes both directions with no end points <-->
Line Segments a line without an arrow or arrows with no end point ____________
Right angle o angle that measures 90 (most common)
Acute angle less than 90 degrees <
Obtuse angle More that 90 degrees less that 180 degrees
Perpendicular lines lines that intersect at 90 degrees | ---------|--------- | |
Parallel lines lines that never intersect _______-------------
Right Triangle a triangle with 1 angle
Line of symmentry same of both sides of line <|>
Created by: roger.lu