You can square the whole problem to cancel out the square root. Might make things easier.
Supplementary Angles:

Arithmetically speaking, the closest 2 supplementary angles can get (in 3 and 2 digits respectively) is the upwritten.
Complementary Angles:

Simply, in this case, for angles to be numerically as close as possible - make both the angles 45°.
What do you need help with and what subject
Answer:
558
Step-by-step explanation:
I can't say :>