Let 1st number be = x
Thus second number = x - 4
Now
(x) + (x - 4) = 72
2x - 4 = 72
2x = 76
x = 38
1st number is 38 thus 2nd number is (38 - 4) = 34
Uh is there a picture cuz we can't know what's a vetex angle if we don't see a pic
Answer: 
Step-by-step explanation:

Step-by-step explanation:
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