Question

In triangle abc, angle c=(5x), angle b = x, and angle c =(3x). what is angle c

Answer 1

60 degrees

Explanation:

a+b+c= 180 degrees therefore 5x + x + 3x = 9x

9x=180 (divide) --> x=20

since c = 3x substitute in 20 for x --> 3(20) = 60 degrees for angle c