Question

find the value of X triangle abc is 60° B=2x C=4x

Answer 1

Sum of angles of a triangle = 180

60+ 2x + 4x = 180

60 + 6x = 180

6x = 180 - 60

6x = 120

x=120/6

x=20

B= 2x = 2*20 = 40

C= 4x = 4*20 = 80