# Question #3d939

Let the 3 angles be $4 x , 3 x \mathmr{and} 2 x$.
${180}^{\circ} = 4 x + 3 x + 2 x = 9 x$
$\implies x = {20}^{\circ}$
So the 3 angles are ${80}^{\circ} , {60}^{\circ} , \mathmr{and} {40}^{\circ}$, respectively.
So the triangle is acute as all the 3 angles $< {90}^{\circ}$