Question

If the angles of a triangle
ratio 1:2:3, find the angles. Classify
triangle in two different ways.​

Answer 1

Answer:

sum of the angles of a triangle =180°

ratio =1:2:3

1x+2x+3x=180°

6x=180°

x=180/6

x=30°

1x=30°

2x=30×2=60°

3x=30×3=90°

30°+60°+90°=180°