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.

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

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.

Remove ads
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



A segment whose endpoints lie on a circle. Chord
A chord that contains the center of a circle. Diameter
A line that contains a chord. Secant of a Circle
A line that lie in the plane of a circle and that intersects the circle at exactly one point (point of tangency) Tangent to a Circle
The set of all points in a plane at a given distance from a given point in the plane Circle
A segment from a point on a circle or a sphere to the center. Radius
Circles with the same radius. Congruent Circles
Circles that lie in the same plane that share the same center. Concentric Circles
Created by: Jebadiiah