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Calculate the value for $y$.
Mathematics 0580 · IGCSE · Angles
Angles — practice question
The bearing of B from A is $x^{\circ}$. The bearing of A from B is $y^{\circ}$. The ratio $x : y$ is $2 : 7$. The diagram indicates north lines at A and B together with the angles $x^{\circ}$ and $y^{\circ}$. NOT TO SCALE.