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.

By signing up, I agree to StudyStack's Terms of Service and Privacy Policy.

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.

Remove ads
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

ch.4 vocab.

math vocab ch. 4

Triangle a polygon with three sides.
Scalene triangles no congruent sides.
isosceles triangle at least 2 congruent sides.
equilateral triangle 3 congruent sides.
acute triangles 3 acute angles
right triangle 1 right angle
obtuse triangle 1 obtuse angle
equilateral triangle 3 congruent angles
interior angle the original angles.
exterior angles the angles that form linear pairs.
corollary to a theorem a statement that can be proved easily using the theorem.
congruent figures all the parts of one figure are congruent to the corresponding parts of the other figure.
corresponding parts parts of a figure that correspond to each other.
legs the sides adjacent to the right angle.
hypotenuse the side opposite of the right angle.
flow proof uses arrows to show the flow of a logical argument.
vertex angle the angles formed by the legs.
base the third side of a isosceles triangle.
base angles the tow angles adjacent to the base angle.
Created by: the cat