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 Test

Chapter 4

Triangle is a polygon with three sides
Interior Angle the original angles are the interior angles
Exterior Angles The angles that form linear pairs with the interior angles are this
Corollary to a theorem is a statement that can be proven easily using a the theorm
Scalene Triangle triangle that doesn't have any equal sides
Isosceles Triangle triangle that has 2 equal sides
Equilateral Triangle triangle that has 3 equal sides
Acute Triangle Triangle that has 3 acute angles
Right Triangle triangle that has 1 right angle
Obtuse Triangle triangle that has 1 obtuse angle
Equiangular Triangle triangle that has all angles equal
Congruent figures Have congruent parts; exactly equal in size and shape
Corresponding parts parts (angles or sides) are in the same relative position each of the figures
Leg of a right triangle Two sides that form a right triangle
Hypotenuse the sides adjacent to the right triangle
Flow Proof this proof format shows the structure of a proof using boxes and connecting arrows
Transformation is an operation that moves or changes a geometric figure in someway to produce new figure
Image new figure is called this
Translation moves every point of a figure the same distance in the same direction
Reflection uses a line of reflection to create a mirror image of the original image
Rotation turned a figure about a fixed point called the center of rotation
Congruence transformation changes the position of the figure without changing its size or shape
Created by: GrapeJuice123