used to eat test tubes
rightangle
yes
use for clamp the iron stand gently
The letter K. It has two acute angles, top and bottom between, the l and < and the inside angle of the < is a rightangle.
Secret
hypotenuse
None
it is yon♥
by using rightangle triangle
Cuz, im jus as confused as u r, sfe
There is no particular name.
The angles of any triangle add up to 180 degrees.