Respuesta :

sqdancefan
a) W will be the supplement to Y, so is 50°

b) ∠XOZ = 2∠W, so is 100°. The interior angles of the kite XYZO add to 360, so congruent angles X and Z will satisfy
.. X + Z + 130 +100 = 360
.. X + Z = 130
.. 2Z = 130
.. Z = 65
So ∠OZY = 65°

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