Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

Username is available taken
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.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
Don't know
remaining cards
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

angle relationship

sol 8.6

acute angle measures less than 90°
right angle measures 90°
obtuse angle measures between 90° and 180°
straight angle measures 180°
complementary angles 2 angles with a sum of measures = 90°
supplementary angles 2 angles with a sum of measures = 180°
ray a part of a line that has one endpoint and extends without end in one direction
vertex a point at which two sides of angle meet
vertical angles two nonadjacent angles formed by intersecting lines
adjacent (side by side) two angles that share a common side and have the same vertex.
parallel lines two lines in the same plane that do not intersect
transversal a line that crosses at least two other lines.
Created by: pktaylor