Respuesta :

Answer:

Step-by-step explanation:

3x + 6 + 4x + 20 = 180

7x + 26 = 180

7x = 154

x = 22

m<A= 3(22) + 6 = 66 + 6 = 72°

m<B = 4(22) + 20 = 88 + 20 = 108°