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.
Didn't know it?
click below
Knew it?
click below
Don't know
Remaining cards (0)
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


vocab 1-1000000000000

trapezoid a type of quadrilateral with exactly one pair of parallel sides
square a type of quadrilateral with four congruent sides and four right angles
adjacent type of angles that share a vertex and a common side
transversal a line that intersects two parallel lines
supplementary type of angles whose sum is 180 degreees
paralleogram lines that are in the same plane and never intersect
rectangle type of quadrileteral with 4 right angles and opposite sides parrelel and congruent.
perpendicular lines thats intersect to form a 90 degree angle
parallel lines that are in the same plane that never intersect
alternate interior type of angles oppsite sides of the transversal ,outside two parellel lines
corresponding type of angles in the same position in relation to the transversal
quadrilateral a closed figure with four sides
congruent figures that have the size and shape
complementary type of angles whose sum is 90 degrees
Created by: 100007859222443



Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!

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