Busy. Please wait.

Forgot Password?

Don't have an account?  Sign up 

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 email address associated with your account, and we'll email you a link to reset your password.

Remove ads
Don't know (0)
Know (0)
remaining cards (0)
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 Unit_3

Geometry Explorations and the American Tour Vocabulary

Acute Angle An angle with a measure greater than 0 degrees and less than 90 degrees.
Adjacent Angles Angles that are next to each other; adjacent angles have a common side and a common vertex, but no other overlap.
Congruent Having exactly the same shape and size .Two 2-dimensional figures are congruent if they match exactly when one is placed on top of the other.
Diameter A line segment that passes through the center of a circle (or sphere) and has endpoints on the circle (or sphere). The diameter of a circle or sphere is twice the length of its radius.
Equilateral Triangle A triangle with all three sides the same length. In an equilateral triangle, all three angles have the same measure.
Obtuse Angle. An angle with a measure greater than 90 degrees and less than 180 degrees.
Radius A line segment from the center of a circle (or sphere) to any point on the circle (or sphere).
Right Angle An angle with a measure of 90 degrees.
Tessellation An arrangement of shapes that covers a surface completely without overlaps or gaps. Also called tiling.
Vertical (Opposite) Angles The angles made by intersecting lines that do not share a common side. Vertical angles have equal measures.
Created by: mrsthompson