True.
two angles would be complementary if the sum of their angle measures is 90 degrees.
60 degrees and 30 degrees make a complementary angle while 90 and 90 degrees make a supplementary angle.
Positive 18, going off the assumption that the tick 2 spaces away from -1 is positive 9.
Answer:
I have wrote just answers
360 degrees. x+y+z = 360°