Question

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

Answer 1

Step-by-step explanation:

exterior angle=130°

ok

Answer 2

Step-by-step explanation:

ratio=1:2:3

the sum of ratio=1+2+3=6

1st angle =180×1/6=30

2nd angle=180×2/6=60

3rd angle=180×3/6=90