i was really not understanding this question....pls need the ans!!
i will mark you brianlist...

Answer:
x = 135 degrees
y = 45 degrees
Step-by-step explanation:
angle F = 90 = E degrees
triangle EBF is isosceles so the angles at the base would be 180-90 = 90/2
which would equal 45.
Hence, y would equal 45.
45 + x = 180 (supplementary)
x = 135