The ratio of a triangle is 1:2:3 what is the size of the largest angle?

Question

United kingdom 

Answer 1

Assuming you're talking about the ratio of the angles, then divide 180 by 6 = 30.

 

So, angle 1 is 30, angle 2 is 60, and angle 3 is 90 degrees: a 30-60-90 right triangle.