Answer:
see explanation
Step-by-step explanation:
Since XZ is an angle bisector , then
(12)
∠ ZXY = ∠ ZXW = 39°
∠ WXY = ∠ ZXY + ∠ ZXW = 39° + 39° = 78°
(13)
∠ WXZ = ∠ YXZ = 146°
∠ WXY = ∠ WXZ + ∠ YXZ = 146° + 146° = 292°
