Question

In triangle abc
angle a=3x+40
angle b= 8x+35 and angle c=10x
Which is the longest side of the triangle, ab, ac or bc?

Answer 1

3x+40 + 8x+35 + 10x = 180
21x = 105
x = 5

a = 55
b = 75
c = 50

since angle b is the greatest, side ac is the longest.