Answer:
1. Two Angles are Complementary when they add up to 90 degrees (a Right Angle)
2. Because of the fact that the sum of the three interior angles of a triangle must be 180 degrees, a triangle could not have two right angles.
3. No. An acute exterior angle means that it's supplement is
greater than 90 degrees.
4. Imma say yes? But im not sure on this one sorry