Respuesta :

suspho

the sum of the interior angles is 180°, you have 1 angle of 120°,

180 - 120 = 60 (sum of the other 2 equal angles)

60 : 2 = 30°

30° is your answer

----------------------------

120 + 30 + 30 = 180

the answer is good

strumchloe

Answer:

the answer is 30 degrees

Step-by-step explanation: