Two angles ina triangle have measures of 20 degrees and 50 degrees. whats the measure of the third angle? 70, 30, 120, or 110 dggrees?

Draw a tape diagram to represent each situation.for some of the situations,you need to decide what to represent with a variable andre bakes 9 pans of brownies.he donates 7 pans to the school bake sale and keeps the rest to divide equally among his class of 30 students