Question

In triangle ABC A/3=B/4=C/2. Find all angles A, B, C.




Class 9 Lines And Angles

Answer 1

Answer:

Step-by-step explanation:

let a be 3x ,

B be 4x

c be 2x

now

sum of angles of triangles =180 degree

3x+4x+2x=180

9x=180

x=180/9

x=20

hence

a=3*20degree=60degree

B=4*20 '' '' =80 degree

c= 2*20" " =40 degree