Question

The ratio of the measures of the three angle in a triangle is 15:8:13. Find the measure of the three angles.

Answer 1

a=15x; b=8x; c=13x

180°=a+b+c=15x+8x+13x=36x

=> x=180÷36=5

=> a=15×5=75°; b=8×5=40°; c=13×5=65°