Create an account
proving similar trianges
SSS (corresponding sides are proportional)
SAS (two corresponding sides are proportional and included angle is congruent)
if a line is parallel to one side of a triangle and intersects the other two sides, it divides those two sides proportionally
angle bisector therom
if a ray bisects an angle of a triangle, it divides the opposite side into segments that are proportional to the adjacent sides
any three whole numbers that satisfy the equation a²+b²=c²
TRIANGLES: (3,4,5) (6,8,10) (9,12,15)...etc.
sin <x = opposite leg/hypotenuse
cos <x = adjacent leg/hypotenuse
tang <x = opposite leg/adjacent leg
angle of elevation
the angle formed by a horizontal line and the line of sight to an object above 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