Answer:
C. 22.5 ft.
Step-by-step explanation:
∆ABC Hypothenuse = 15ft.
9² + 12² = c²
81 + 144 = c²
√225 = c
15 = c
∆ABC shortest side = 9
∆XYZ shortest side = 13.5
13.5 / 9 = 1.5
15 x 1.5 = 22.5
∆XYZ Hypothenuse = 22.5 ft.