Busy. Please wait.

Forgot Password?

Don't have an account?  Sign up 

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.

By signing up, I agree to StudyStack's Terms of Service and Privacy Policy.

Already a StudyStack user? Log In

Reset Password
Enter the email address associated with your account, and we'll email you a link to reset your password.

Remove ads
Don't know (0)
Know (0)
remaining cards (0)
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


line a long narrow line or band
ray Part of a line that has one endpoint and extends forever in one direction
parallel lines In a plane,lines that never cross and stay the same distance apart.
perpendicular lines Two lines that intersect to form square corners or right angle
point An exact location in a space
line segment Part of a line that has two endpoints
plane An endless endpoint
angle Two ray that have the same endpoint
acute angle An angle whose measure is between 0* and 90*
right angle An angle whose measure is 90*
obtuse angle An angle whose measure is between 90* and 180*
straight angle An angle measuring 180*
vertex The point of a cone
protractor An instrument used to measure and draw angles
degrees A unit of measure for angles and temp
polygon A closed plane figure made up of line segments
regular polygon A polygon that has sides of equal length a angle of equal measure
triangle A polygon with three sides
quadrilateral A polygon with four sides
pentagon A polygon with five sides
hexagon A polygon with six sides
octagon A polygon with eight sides
equilateral triangle A triangle whose sides are all equal
isosceles triangle A triangle whose two sides are equal
scalene triangle A triangle whose no sides are equal
right triangle A triangle which one angle is a right angle
acute triangle A triangle whose measure is between 0* and 90*
obtuse triangle A triangle in which one angle is an obtuse angle
parallelogram A quadrilateral with both pairs of opposite sides parallel
trapezoid A quadrilateral that has exactly one pair of parallel sides
rectangle A parallelogram with four right angles
rhombus A parallelogram that has sides the same length
square A rectangle with all sides the same length
generalization A general statement
Created by: 17msowac