Save
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
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. Your email address is only used to allow you to reset your password. See 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.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
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 Terms

TermDefinition
Points An exact location in space
Line A set of points that extend forever in opposite directions.
Line Segments A part of a line that has two endpoints
Ray A part of a line that starts at an endpoint and goes on forever in one direction
Angle Formed by two rays with the same endpoint
Vertex The shared endpoint of an angle
Right Angle An angle that measures 90 degrees
Acute Angle An angle that measures less than 90 degrees
Obtuse Angle An angle between 90 and 180 degrees
Straight Angle An angle that measures exactly 180 degrees
Intersecting Lines Lines that meet or cross at a common point
Perpendicular Lines Intersecting lines that form four right angles
Parallel Lines Lines in the same plane that never intersect
Polygon A closed, flat-figure with straight sides
Quadrilateral A polygon with four sides, four angles, and 4 vertices
Parallelogram A quadrilateral with two pairs of parallel lines.
Rectangle A parallelogram with four right angles
Rhombus A parallelogram with four sides of equal length
Square A parallelogram with four right angles and four sides of equal length
Trapezoid A quadrilateral with one pair of parallel sides
Kite Quadrilateral with two pairs of equal-length adjacent sides.
Right Triangle This triangle has one right angle
Obtuse Triangle This triangle has one obtuse angle
Acute Triangle Triangle where all angles are acute
Isosceles Triangle Triangle where two sides are equal in length
Equilateral Triangle Triangle where all three sides are equal in length
Scalene Triangle where all sides are different in length
Triangle Polygon with 3 sides, 3 angles, and 3 vertices
Hexagon Polygon with 6 sides, 6 angles, and 6 vertices
Octagon Polygon with 8 sides, 8 angles, and 8 vertices
Pentagon Polygon with 5 sides, 5 angles, and 5 vertices
Created by: kavila2
Popular Math sets

 

 



Voices

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:
Retries:
restart all cards