WILL CROWN BRAINLIEST, GIVE SUPERB RATING, AND THANKS!
(There are 2!)


The first pair of angles are supplementary because the sum must be equal to 180 and 135+45 is in fact 180.
With the second question, this is a right angle. A right angle has a degree of 90 degrees so you will just have to take 90 and subtract that by 55.1 to get 34.9 degrees.