In the given figure, $\mathrm{ABCDE}$ is a pentagon inscribed in a circle such that $\mathrm{AC}$ is a diameter and side $\mathrm{BC} \parallel \mathrm{AE}$. If $\angle \mathrm{BAC} = 50^{\circ}$, find giving reasons:(i) $\angle \mathrm{ACB}$(ii) $\angle \mathrm{EDC}$(iii) $\angle \mathrm{BEC}$Hence prove that $\mathrm{BE}$ is also a diameter