Question

The angle of a triangle in ratio 1:2:3 find the exterior angle

Answer 1

Answer:

a:b:c=11:10:9

Step-by-step explanation:

x+2x+3x =180

6x=180

x=30

2x=60

3x=90  

let, exterior angle be a,b,c.

a=360-30

a=330

b=360-60

b=300

c=360-90

c=270

a:b:c = 330:300:270

a:b:c=11:10:9