Question
YZAB is a quadrilateral and OYBA is a trapezium in which OY // BA and ∠ZYB = 108°, ∠YBA = 128°, ∠ZAB = 66° and BA = BY. Find
  1. ∠YZO
  2. ∠BYO
  3. ∠YAB.
3 m
(a)

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(b)

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(c)

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YZAB is a quadrilateral and OYBA is a trapezium in which OY // BA and ∠ZYB = 108°, ∠YBA = 128°, ∠ZAB = 66° and BA = BY. Find
  1. ∠YZO
  2. ∠BYO
  3. ∠YAB.