Question
ZABC is a quadrilateral and OZCB is a trapezium in which OZ // CB and ∠AZC = 113°, ∠ZCB = 128°, ∠ABC = 62° and CB = CZ. Find
  1. ∠ZAO
  2. ∠CZO
  3. ∠ZBC.
3 m
(a)

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(b)

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(c)

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ZABC is a quadrilateral and OZCB is a trapezium in which OZ // CB and ∠AZC = 113°, ∠ZCB = 128°, ∠ABC = 62° and CB = CZ. Find
  1. ∠ZAO
  2. ∠CZO
  3. ∠ZBC.