$$\angle5=62\degree;\ \ \angle6=118\degree$$  

$$\angle5=62\degree;\ \angle6=120\degree$$  

$$\angle5=64\degree;\ \angle6=118\degree$$  

$$\angle5=70\degree;\ \angle6=110\degree$$  

x=72;

y=39;

x=108;

y=49;

x=108;

y=131;

x=72;

y=49;

$$65\degree\ және\ 115\degree$$  

$$60\degree\ және\ 120\degree$$  

$$45\degree\ және\ 135\degree$$  

$$66\degree\ және\ 114\degree$$  

$$\angle1=75\degree$$  

$$\angle1=105\degree$$  

$$\angle1=102\degree$$  

$$\angle1=78\degree$$  

$$90\degree$$  

$$40\degree$$  

$$130\degree$$  

$$70\degree$$