Question
In the figure, TZU, VZW and XZY are straight lines. ∠b is half the size of ∠c and ∠VZY is 123°. Find ∠b.
2 m

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In the figure, TZU, VZW and XZY are straight lines. ∠b is half the size of ∠c and ∠VZY is 123°. Find ∠b.