Answer:
80°
Step-by-step explanation:
In the ratio [tex]2:3:4[/tex], the largest value corresponds to the largest angle. The sum of the ratio is [tex]2+3+4=9[/tex].
The sum of angles in a triangle is 180°. Then [tex]x[/tex] is given by
[tex]x = \dfrac{4}{9}\times 180^\circ = 80^\circ[/tex]