Question

With respect to the previous problem, which of the following angles is NOT equal to x (∠ABC)? b a z y

Solution

The correct option is A b Considering AB as the transversal for the parallel lines ⟷AD and ⟷BC x = a                                       [corresponding angles] a = z                                       [vertically opposite angles] x = y                                       [vertically opposite angles] b = 180∘−x

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