It would be 56 degrees since it's a vertical angle and to get the obtuse angles you just subtract 180 from 56 and there's your answer. Hope this helped! (':
I only did the first part but maybe later I will solve the rest too. If there are any errors but tell me so I can update the pic.
The sides are 2, 1, 1.5, and 2.5 clockwise
Answer:
28.57142857
%
Step-by-step explanation:
Convert the fraction to a decimal, then multiply by 100
.
28.57142857
%