The same answer 81/95 can be found using two different methods. Please view the attachments below.
Blank 1: 1
Blank 2: 3
Blank 3: -2
77-27= 50 so when you add both it add up to 77 ,
50 is the answer
Step-by-step explanation:
X = 50+45 = 95 exterior angle
y =95 + 52 = 147 exterior angle
Z = 180 Straight angle