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

Geometry Vocabulary

Vocabulary 6th grade

Point a geometric object that has no dimensions, only a location
Plane flat surface that extends in all directions endlessly; two dimentional
Angle two rays joined with a common endpoint; the two rays are called the sides of a angle
Ray part of a line that only has one endpoint
Vertex the common endpoint of a angle
Line segment part of a line that has two endpoints
line a set of points along a straight path having no endpoints
Intersecting lines lines that have just one point in common
Skew Lines lines that are not in the same plane and do not intersect
Straight angle angle that measures 180 degrees
Zero angle angle with a measure of 0 degrees
right angle angle that measures 90 degrees
Acute angle angle that measures less than 90 degrees
obtuse angle angle that measures more than 90 degrees and less than 180 degrees
Reflex angle angle that measures more than 180 degrees and less than 360 degrees
Perigon (or revolution) a angle that equals exactly 360 degrees
congruent angles angles that have the same measurement
supplementary angles two angles whose measures add up to 180 degrees; any 2 right angles are supplementary
complementary angles any 2 angles whose measures add up to 90 degrees
transversal a line that intersects two other angles
adjacent angles two angles that share a side or ray and a vertex
vertical angles a pair of opposite angles formed by intersecting lines
corresponding angles two lines intersected by transversal form corresponding pairs of angles; if the two lines are parallel the corresponding pairs of angles are congruent
triangle polygon with 3 sides, 3 angles, and 3 vertices
equilateral triangle all sides congruent
isosceles triangle AT LEAST 2 sides congruent
scalene triangle no sides congruent
Equiangular triangle all angles congruent; regular triangle
acute triangle all angles are acute
right triangle one right angle
obtuse triangle one obtuse angle
Created by: amandam04