Answer:
30,60 and 90
Step-by-step explanation:
1:2:3, Each angle is x respectively
1x+2x+3x=180<------Equation (angles in a triangle add up to 180)
6x=180
x=30<----------------Solved equation
Now we substitute into the ratio's 1:2:3
30 x 1=30
30 x 2=60
30 x 3=90
