Question
In the figure, ZAD and CAB are right-angled triangles. DA is parallel to CB. Find
  1. ∠ABC
  2. ∠ADC
3 m
(a)

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(b)

Click button first when a symbol is required. X

In the figure, ZAD and CAB are right-angled triangles. DA is parallel to CB. Find
  1. ∠ABC
  2. ∠ADC