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.
Didn't know it?
click below
Knew it?
click below
Don't know
Remaining cards (0)
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

Ch 5 Vocab Geometry

Vocab Word:Definition:
1. Altitude of a triangle: The perpendicular segment from a vertex of a triangle to the opposite side or to the line that contains the opposite side.
2. Angle bisector of a triangle: A bisector of an angle of the triangle.
3. Centroid of a triangle: The point of concurrency of the medians of a triangle.
4. Circumcenter of a triangle: The point of concurrency of the perpendicular bisectors of a triangle.
5. Concurrent lines: Three or more lines that intersect in the same point.
6.Distance from a point to a line: The length of the perpendicular segment from the point to the line.
7. Equidistant from two lines: The same distance from one line as from another line.
8. Equidistant from two points: The same distance from one point as from another point.
9. Incenter of a triangle: The point of concurrency of the angle bisectors of a triangle.
10. Median of a triangle: A segment whose endpoints are a vertex of the triangle and the midpoint of the opposite side.
11. Midsegment of a triangle: A segment that connects the midpoints of two sides of a triangle.
12. Orthocenter of a triangle: The point of concurrency of the lines containing the altitudes of a triangle.
13. Perpendicular bisector: A segment, ray, line, or plane that is perpendicular to a segment at its midpoint.
14. Perpendicular bisector of a triangle: A line, ray, or segment that is perpendicular to a side of a triangle at the midpoint of the side.
15. Point of concurrency: The point of intersection of concurrent lines.
Created by: Alysa



Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards