$108\degree$

$180\degree$

$360\degree$

$540\degree$

$108\degree$

$180\degree$

$360\degree$

$540\degree$

$90\degree$

$180\degree$

$360\degree$

$540\degree$

$90\degree$

$180\degree$

$360\degree$

$540\degree$

$72\degree$

$108\degree$

$360\degree$

$540\degree$

$72\degree$

$108\degree$

$360\degree$

$540\degree$

line m, line p

line n, line p

line m, line n

line m

line n

line p

$\angle1+\angle5$

$\angle3+\angle6$

$\angle1+\angle8$

 $\angle4+\angle5$ 

$\angle2+\angle7$

$\angle1+\angle5$

$\angle3+\angle6$

$\angle1+\angle8$

$\angle4+\angle5$

$\angle2+\angle7$