Respuesta :

Answer: angle 1 = 51, angle 2 = 18, angle 3 = 123, angle 4 = 39

Step-by-step explanation:

72+57=129 180-129= 51 degrees for 1

90-72= 18 degrees for 2

180-57= 123 degrees for 3

123+18=141 180-141= 39 degrees for angle 4