Triangle $XYZ$ is such that $XY=15.8$ cm, $YZ=28.4$ cm and $\angle YXZ=74{}^\circ $. Ca

Question

Triangle $XYZ$ is such that $XY=15.8$ cm, $YZ=28.4$ cm and $\angle YXZ=74{}^\circ $. Calculate $\angle XZY$, the area of$\Delta XYZ$.

Accepted Answer

(i) $32.3^\circ$ (ii) $215\text{ cm}^2$

Non-Right Angled Trigonometry: The Sine Rule for Area