Respuesta :

masbrosur

Answer:

70

Step-by-step explanation:

180 -(60+65) = 180 - 125 = 55

180 - (50 + 55) = 180 - 105 = 75

180 - (35 + 75) = 180 - 110 = 70

Answer:

70°

Step-by-step explanation:

Explanation in attachment

Ver imagen kenlingdad