Answer:
47 ft.
Step-by-step explanation:
As the 2 angles at point T are equal:
77/87.5 = 22/YK
77YK = 87.5 * 22
YK = (87.5 * 22) / 77
= 25
x = 22 + YK
= 22 + 25
= 47 ft.
