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.
Don't know
remaining cards
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

Y10 Geometry

regular polygon A polygon with equal sides and equal angles
congruent The same size and shape, or identical
similar The same shape, but not necessarily the same size.
exterior angle The angle formed when one of the sides of a polygon is extended
convex polygon A polygon which has no interior angles greater than 180°, or a polygon whose vertices point outward, not inward.
geometry The branch of mathematics that deals with the measurement, properties and relationships of points, lines, surfaces and solids.
closed figure A plane shape that completely surrounds an area. Squares and circles are closed figures but an angle is not.
polygon A plane closed figure or shape with straight sides.
diagonal An interval joining a vertex to another non-adjacent vertex.
cross-section The shape produced when a cut or slice is made through a solid
angle sum The total of the angle sizre in a shape
bisect To cut in half
perpendicular An interval or line constructed at right angles (90°) to another interval or line
supplementary Two angles that add up to 180°
Created by: wdobson