Trigonometry, SMB-054 Find the value of \(x\), correct to 1 decimal place. (2 marks) Show Answers Only \(x=7.2\ \text{cm}\) Show Worked Solution \(\text{Angle needed}\ = 180-(81+43) = 56^{\circ}\) \(\dfrac{x}{\sin56^{\circ}}\) \(=\dfrac{8.6}{\sin 81^{\circ}}\) \(x\) \(=\dfrac{8.6 \times \sin 56^{\circ}}{\sin 81^{\circ}}\) \(=7.218…\) \(=7.2\ \text{cm (to 1 d.p.)}\)
