Trigonometry, SMB-055 Find the value of \(x\), correct to 1 decimal place. (2 marks) Show Answers Only \(x=9.9\ \text{cm}\) Show Worked Solution \(\text{Angle needed}\ = 180-(115+34) = 31^{\circ}\) \(\dfrac{x}{\sin31^{\circ}}\) \(=\dfrac{17.5}{\sin 115^{\circ}}\) \(x\) \(=\dfrac{17.5 \times \sin 31^{\circ}}{\sin 115^{\circ}}\) \(=9.94…\) \(=9.9\ \text{cm (to 1 d.p.)}\)
