Question

In
triangle ABC , LA = 3x , LC: x and
LB = 60
Gi
Therefore, A​

Answer 1

triangle ABC , LA = 3x , LC: x and

LB = 60

ABC = LA + LB + LC

180° = 3x + x + 60

180 - 60 = 4x

120 = 4x

120/4 = x

30 = x

so, LA = 3x = 3(30°) = 90°

LB = 60°

& LC = x = 30°

LA+LB+LC= 90°+60°+30° =180°