Question
In the figure, XYZA is a parallelogram with the length of XA 2 times the length of XY. XAB is an equilateral triangle. C is a point on XB such that XC = CB. ∠YZA is 108°. Find ∠CYZ .
4 m

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In the figure, XYZA is a parallelogram with the length of XA 2 times the length of XY. XAB is an equilateral triangle. C is a point on XB such that XC = CB. ∠YZA is 108°. Find ∠CYZ .