What is the letter for these 2

In which figure is de bc ? a. figure 1 b. figure 2 c. figure 3 d. figure 4

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .

Mr. thompson is on a diet. he currently weighs 260 pounds. he loses 4 pounds per month. what part of the story makes the relationship not proportional?