Advertisement Upgrade to remove ads

parallel lines

two lines that are coplanar and do not intersect

skew lines

lines that do not intersect and are not coplanar

parallel planes

two planes that do not intersect

transversal

a line that intersects two or more coplanar lines at different points

corresponding angles

two angles that are formed by two lines and a transversal and occupy corresponding positions

alternate interior angles

2 angles that are formed by 2 lines and a transversal and that lie between the 2 lines on opposite sides of the transversal

alternate exterior angles

2 angles that are formed by 2 lines and a transversal and that lie outside the 2 lines on opposite sides of the transversal

consecutive interior angles

2 angles that are formed by 2 lines and a transversal and that lie between the 2 lines on the same side of the transversal

flow proof

a type of proof that uses arrows to show flow of a logical argument statements are connected by arrows to show how each statement comes before it. and each reason is written below the statement it justifies

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions above and try again

Example:

Reload the page to try again!

Reload

Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

NEW! Voice Recording

Create Set