Respuesta :

sqdancefan

9514 1404 393

Answer:

  54°, 54°, 72°

Step-by-step explanation:

Your ratios total 3+3+4 = 10 units, so each unit must stand for 180°/10 = 18°.

Then the angles are found by multiplying the ratio values by 18°.

  3 : 3 : 4 = 54° : 54° : 72°