Create an account
A rectangle that can be divided into a square and a rectangle that is similar to the original triangle.
Two triangles are similar if an angle of one triangle is congruent to an angle of a second triangle, and the sides including those angles are in proportion.
Two triangles are similar if the corresponding sides of two triangles are in proporiton.
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 and try again
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