Polygons Grade 8

Find the number of sides of a regular polygon whose each exterior angle has a measure of 45 $\degree$  .

• 6

• 8

• 45

• none of these

How many sides does a regular polygon have if each of its interior angles is 165 $\degree$  ?

• 24

• 15

• 42

• 20

Find x.

•  $40\degree$  

•  $360\degree$  

•  $60\degree$  

• none of these

Find x.

• $540\degree$

• $120\degree$

• $108\degree$

• none

Find x+y+z.

• $360\degree$

• $180\degree$

• $120\degree$

• none