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



acute angle angle smaller than 90 degrees
congruent angles angles that are the same size
midpoint the point in the middle of the line
coplanar points on the same plane
perpendecular lines that connect
ray a line with 1 endpoint
space open area
angle a measurement of degrees
congruent segments segments that are the same legnth
countereexample an example to prove a conjecture wrong
obtuse angle angle larger than 90 degrees
plane a flat surface that has no thickness
right angle an angle exactly 90 degrees
angle bisector an angle that connects through 2 points
conjecture an educated guess
inductive reasoning is based on obeserved patterns
opposite rays 2 rays that go opposite ways
point a dot on a plane or line
segment a line with 2 endpoints
collinear points points that are linear
coordinate a point on line or graph
parallel lines lines that never connect
postulate rules
skew lines lines on opposite planes
Created by: jayf