Create an account
In a right triangle, the sum of the squares of the legs is equal to the length of the hypotenuse squared. a²+b²=c²
Converse of the pythagorean theorem
if the square of the length of one side of a triangle is equal to the sum of the squares of the lengths of the other two sides, then the triangle is a right triangle.
A triangle where both legs are congruent and the length of the hypotenuse is √2 times the length of a leg.
A triangle where the length of the hypotenuse is twice the length of the shorter leg and the length of the longer leg is √3 times the length of the shorter leg.
angle of elevation
the angle formed by a horizontal line and the line of sight to an object above the horizontal line
angle of depression
the angle formed by a horizontal line and the line of sight to an object below the horizontal line
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