In triangle ABC, the measure of angle C is five times the measure of angle A, and the measure of angle B is 26° more than the measure of angle C. Find the measure of each angle of the triangle.
A+B+C = 180
(C/5)+(C+26)+C = 180
Now solve for C, and then find A and B.
or, using A,
A+(5A+26)+5A = 180