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

Math Vocab

Chapter 5 Vocab

Angle Bisector Ray that divides an angle into two adjacent angles that are congruent
Median Segment whose endpoints are a vertex of a triangle and the midpoint of the opposite side
Centroid Where the three medians of a triangle meet
Concurrent Lines When three or more lines intersect in the same point
Point of Concurrency The point where three or more lines intersect
Altitude Perpendicular segment from a vertex to the opposite side or to the line that contains the opposite side
Perpendicular Lines Intersect to form right angles
Midpoint Point that divides or bisects the segment into tow congruent segments
Circumcenter The point of concurrency of the perpendicular bisectors of the triangle
Perpendicular Bisector A segment, ray, line, or plane that is perpendicular to a segment at its midpoint
Incenter The point of concurrency of the angle bisectors of a triangle
Orthocenter The lines containing the three altitudes of a triangle are concurrent and intersect at this point
Midsegment A segment that connects the midpoints of two sides of a triangle
Created by: bellcassidy