Question

In Fig., find the values of x, y and z.

Answer 1

$$\begin{gathered} \angle y=25°\left(\mathrm{Vertically}\mathrm{opposite}\mathrm{angles}\right) \\ \mathrm{Since}\angle x+\angle y=180°\left(\mathrm{Linear}\mathrm{pair}\right) \\ \therefore \angle x=180°-25°=155° \\ \angle z=\angle x=155°\left(\mathrm{Vertically}\mathrm{opposite}\mathrm{angles}\right) \end{gathered}$$