Question

in a triangle ABC angle C=3angleB=2angle(A+B)..find thr angles​

Answer 1

Answer:

Step-by-step explanation:

Answer 2

Answer:

angle A = 20 , B =40 , C = 120

Step-by-step explanation:

C = 2*(A+B)

3*B=2*A+2*B

=> B = 2*A

A + B + C = 180

<=> 0.5*B + B + 3*B = 180

=> B = 40

A = 0.5*B=20

C = 3*B = 120