Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


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
Know
remaining cards
Save
0:01
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:
Retries:
restart all cards
share
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

Never, Sometimes, Always

QuestionAnswer
An angle measuring less than 180 degrees is acute Sometimes
Two obtuse angles are congruent Sometimes
Two planes intersect at only one point Never
A line and a plane intersect at exactly two points Never
A line can be drawn through two points. Always
Two adjacent acute angles form an obtuse angle Sometimes
Four points lie on the same plane Sometimes
Three lines intersect at one point Sometimes
Two perpendicular line intersect at exactly one point Always
The measure of an obtuse angle is greater than the measure of a right angle Always
Two planes intersect Sometimes
Two angles that are congruent share the same vertex Sometimes
The sum of the measures of two acute angles is greater than the sum of two obtuse angles Never
A plane contains three points Always
A line and a plane intersect at exactly one point Sometimes
The measure of an angle is greater than the measure of its complement Sometimes
Two lines that are perpendicular intersect at exactly two points Never
Two right angles are congruent Always
Two planes that intersect share exactly one point Never
The supplement of an acute angle is greater than the complement of the same angle Always
The sum of the measures of two acute angles is greater than 90 degrees Sometimes
Two planes contain the same point Sometimes
Two angles that are not congruent have the same complement Never
Three lines that do not all lie on the same plane can be drawn through one point Always
Two angles that are adjacent share the same vertex Always
Two angles that are congruent are adjacent Sometimes
Two planes that are parallel contain the same point Never
An acute angle and its supplement are congruent Never
The measure of an angle is less than measure of its supplement Sometimes
Three lines that are all parallel lie on the same plane Sometimes
Two lines that are not parallel do not share any points Green
Two planes that intersect share an infinite number of points Blue
A right angle and its supplement are congruent Always
Two lines intersect at one point Sometimes
An angle and its complement are congruent Sometimes
Created by: courtney1259