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


Arc A part of a circle that is defined by two endpoints.
Central Angle An angle that intersects a circle in two points and has its vertex at the center of the circle.
Chord For a given circle,a segment with endpoints that are on the circle.
Circle The locus of all points in a plane equidistant from a given point called the center of the ______.
Circumference The distance around a circle.
Circumscribed A circle is ______ about a polygon if the circle contains all the vertices of the polygon.
Diameter In a circle,a chord that passes through the center of the circle.
Inscribed A polygon is _____ Ina circle if each of its vertices lie on the circle.
Intercepted An angle ____ an arc if the endpoints of the arc lie on the angle, all points of the arc except the endpoints are in the interior of the circle, and each side of the angle contains an endpoint of the arc.
Major arc An arc with a measure greater than 180.
Minor arc An arc with a measure less than 180.
pi An irrational # represented by the ratio of the circumference of a circle to the diameter of the circle.
point of tangency For a line that intersects a circle in only one point the point at which they intersect.
Created by: amstanhope