Respuesta :

Answer:

m∠B = x

m∠A = 4x

x + 4x = 180

5x = 180

x = 180/5

x = 36

m∠B = x = 36°

m∠A = 4x = 4 * 36 = 144°

Answer is b. 144, 36

Step-by-step explanation: