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

L.F., Math I S.G.

What's a point? A point on a plane
What's a line? A line with points on a plane
What's an acute angle? Less than 90 degrees
What's a right angle? Exactly 90 degrees
An obstuse angle is how much? More than 90 degrees
What's a straight angle? It's 180 degrees (straight line)
What's a complementary angle? The sum of two angles that equal 90 degrees
What's a supplementary angle? The sum of two angles that equal 180 degrees
What are vertical angles? They're bow-tie buddies
What is a linear pair? It's a pair of adjacent angles formed when two lines intersect and they always add up to 180 degrees
Conditional statement p -> q
Converse q -> p
Inverse ~p -> ~q
Contrapositive ~q -> ~p
Skew lines are.. Two lines that don't intersect and are't parallel
Parallel lines are.. Lines that connect by a point
Scalene triangles are.. sides without any sides the same as other ones
Isosceles triangles are.. two sides that are congruent to each other
Equilateral triangles.. are three sides that are congruent to each other
What does CPCTC mean? Corresponding Parts of Congruent Triangles are Congruent
What is Mean? Mean is the average number
What's Median? Median is the middle number
What's mode? The number that appears the most
How do you prove that HL is correct? There needs to be a leg (deash) across from the 90 degree angle
What does equiangular mean? Having equal sides
Created by: LizethFlores