Busy. Please wait.
Log in with Clever
or

show password
Forgot Password?

Don't have an account?  Sign up 
Sign up using Clever
or

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.
Your email address is only used to allow you to reset your password. See 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.

Geometry definitions

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
        Help!  

Term
Definition
circle   the set of all points in a plane equal distance from a given point  
🗑
secant   a segment that intersects a circle in 2 points with a point as an endpoint of a segment  
🗑
central angle   an angle whose vertex is the center of the polygon and whose side contains 2 consecutive verticies  
🗑
Tangent   line that intersects a circle in exactly 1 point  
🗑
point of tangency   a point where the line touches the circle  
🗑
radius   distance from the center to a point on the circle  
🗑
congruent circles   2 circles that have same radius  
🗑
Major arc   > 180  
🗑
Minor arc   < 180  
🗑
sector   a region bounded by 2 radius of a circle and intercepted arc  
🗑
semicircle   180  
🗑
arc length   circumferance of a circle  
🗑
apothom   distance from center of polygon to any side  
🗑
diameter   a chord that goes through the center of a circle  
🗑
chord   segments whose end points ar on the circle  
🗑
area of a rectangle   A= LW  
🗑
obtuse triangle   all angles > 90  
🗑
acute triangle   all angles < 90  
🗑
median   a segment whose end points are a vertex of a triangle and mid points of opposite side  
🗑
scale factor   the ratios of the lengths of 2 corresponding sides of 2 polygons  
🗑
midsegment theorem   a segment that connects the mid points of the legs of a trapazoid  
🗑
proportion    
🗑


   

Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
 
To hide a column, click on the column name.
 
To hide the entire table, click on the "Hide All" button.
 
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
 
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.

 
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
Created by: dml2nc
Popular Math sets