Respuesta :

Answer:

A is 75

B is 15

C is 105

Step-by-step explanation:

90-75=15

B is 15

A and C have a total of 180 degrees

180-75=105

C is 105

180-105=75

A is 75

90+75= 165
180-165=15
b=15
180-75=105
C=105
15+90= 105
180-105=75
a=75

Hope it help you!!