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

Circles,Lines,angles

math

QuestionAnswer
Ray A part of a line that has one endpoint and extends without end in one direction.
angle A figure formed by two rays or line segments with a common endpoint
line A straight path that goes on forever in opposite directions
perpendicular Lines,line segments, or rays are perpendicular if they form right angles
parallel The same distant apart at every point
oblique Lines that are not parallel or perpendicular
intersect To cut or divide by passing through or across
protractor A tool used to measure angles
degree A unit for measuring angles also a unit measuring temperature
right angle An angle that measures 90 degrees
straight angle An angle of 180 degrees
supplementary angles Angles have a sum of 180 degrees
complementary angles angles having a sum of 90 degrees
Vertical angles pairs of opposite formed by intersecting lines
opposite angles when two lines intersect
polygon A closed figure with sides made of straight line segments
congruent exactly the same size and shape
isosceles triangle a triangle with at least two congruent sides
equilateral triangle having all equal sides
scalene triangle A triangle with no equal sides is a scalene triangle
acute triangle a triangle with three acute angles
obtuse angle a triangle with one obtuse angle
right triangle a triangle with one right angle
right trapezoid a trapezoid with least one right angle
circle A plane figure that forms a closed path so that all the points on the path are the same distance from a point called the center
reflex circle an angle greater than 180 degrees
Created by: 10020355
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