Algebra idiot! Please help me no one else knows!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!
Answer 1
well, usually two right angles are supplementary.
and, additional = 180 degrees.
I must say that two right angles next to each other would make an angle of 180 degrees.
Also called right angle (cited: http://www.mathsisfun.com/angles.html)
Source(s): M. Truesdell, Middleburgh High School
http://www.mathsisfun.com/angles.html