Respuesta :

x = 8 ft

y = 10°

Step-by-step explanation:

From the given figure,

∵ QR = GF

(2x - 4) = 12

2x = 16

∴ x = 8 ft

∵ ∠PQR = ∠EFG and  x = 8

(6y + x)° = 68°

6y + 8 = 68

6y = 60

∴ y = 10°