Determine the Value of Angles $\angle 1$ Through $\angle 8$ Line $\mathrm{a} \| \mathrm{b}$

Determine the value of angles $\angle 1$ through $\angle 8$ . Line $\mathrm{a} \| \mathrm{b}$ and $\mathrm{c} \| \mathrm{d}$ .