Question

solve this problem . ..............​

Answer 1

Step-by-step explanation:

let the angle be x

So the angles are 2x,3x and 4x

180°=2x+3x+4x(Angle sum property)

180°=9x

x= 180°/9

x= 20°

The smallest angle in the triangle is 2x=2*20°= 40°