Question
In the figure not drawn to scale, FGH is a straight line. Given that the ratio of ∠a to ∠b is 2 : 3, what is the value of ∠b?
2 m

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In the figure not drawn to scale, FGH is a straight line. Given that the ratio of ∠a to ∠b is 2 : 3, what is the value of ∠b?