Save
Upgrade to remove ads
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 Vocabulary

TermDefinition
Angle Two lines that meet at a point
Obtuse Angle An angle greater than 90 degrees
Acute Angle An angle less than 90 degrees
Right Angle An angle that is equal to 90 degrees
Triangle A shape with 3 sides and 3 angles
Right Triangle A triangle with a 90 degree angle
Acute Triangle A triangle with 3 acute angles
Obtuse Triangle A triangle with 1 obtuse angle
Scalene Triangle A triangle with no sides the same length
Isosceles Triangle A triangle with two sides the same length
Equilateral Triangle A triangle with all sides the same length
Point An exact location
Line Has arrows. continues forever in both directions
Line Segment Begins and ends at endpoints
Ray Starts at a point and continues forever in one direction
End Point The points where a line segment begins and ends
Vertex The point where two lines meet
Intersecting Lines Lines that cross or will eventually cross
Parallel Lines Lines that never meet
Perpendicular Lines Lines that cross and make 90 degrees
Rhombus Has 4 equal sides, but no right angles
Square Has 4 equal sides and has 4 right angles, also considered a rectangle
Rectangle Opposite sides are the same length and has 4 right angles
Parallelogram Has 2 pairs of parallel sides, but no right angles
Trapezoid Has only 1 pair of parallel sides
Degrees The name for a measurement of an angle
Sides The edge of a shape
Vertical Lines Lines that go up and down
Horizontal Lines Lines that go left and right
Symmetry A line that divides the shape into two mirror images
Reflex Angle An angle that is greater than 180 degrees
Straight Angle An angle that is exactly 180 degrees, straight line
Protractor A tool used to measure angles
Created by: user-1894582
 

 



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