Question
In the figure, AGB, CGD and EGF are straight lines. ∠s is half the size of ∠t and ∠CGF is 123°. Find ∠s.
2 m

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In the figure, AGB, CGD and EGF are straight lines. ∠s is half the size of ∠t and ∠CGF is 123°. Find ∠s.