Respuesta :

zaylex569

Answer:

im not sure but i think its 18

Step-by-step explanation:

Answer:

3X=54°

3X=54°

4X=72°

Step-by-step explanation:

3X+3X+4X=180°(SUM OF INTERIOR ANGLES OF A TRIANGLE ADOPTS TO      180°)

10X=180°

  X=18°

THERFORE;

       3X=18 * 3 = 54°

       4X=18 * 4 = 72°

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