Question 1066061

In triangle ABC, the measure of angle B is 27 degrees more than three times the measure of angle A. The measure of angle C is 48 degrees more than the measure of angle A. The measures of the three angles in a triangle must total 180 degrees. 
<pre>{{{highlight_green(matrix(3,2, "A:", 21^o, "B:", 90^o, "C:", 69^o))}}}