Angle 1 equals angle 5. I think the theorem is Alternate interiors?
Answer:
The answer would be 'B. perimeter'.
Let H = Hailey, M = Megan, B = Bailey
H + M + B = 458
167 + M + B = 458
M + B = 291
152 ≤ M ≤ 164
If M = 152, B = 139
If M = 164, B = 127
Thus,
$127 ≤ B ≤ 139