Question
The figure is not drawn to scale. XYZA is a parallelogram. YB and ZB are straight lines. WZ = WY, ∠WYZ = 57° and ∠WYX = 40°. Find the difference between ∠k and ∠m.
3 m

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The figure is not drawn to scale. XYZA is a parallelogram. YB and ZB are straight lines. WZ = WY, ∠WYZ = 57° and ∠WYX = 40°. Find the difference between ∠k and ∠m.