Regular Polygon

State the angle.

•  $60\degree$  
  

•  $70\degree$  
  

•  $80\degree$  
  

•  $90\degree$  

State the angle.

• $100\degree$
  

• $110\degree$

• $120\degree$

• $130\degree$

State the angle.

• $40\degree$

• $60\degree$
  

• $90\degree$

• $100\degree$

Name the polygon.

• octagon

• heptagon

• hexagon

• pentagon

Name the polygon.

• octagon

• square

• equilateral triangle

• pentagon

How many diagonal lines are there in a hexagon?

• 5

• 7

• 9

• 12

How many diagonal lines are there in a heptagon?

• 13

• 14

• 15

• 16

How many diagonal lines are there in an octagon?

• 15

• 17

• 20

• 25

How many symmetrical lines are there in an equilateral triangle?

• 2

• 3

• 4

• 5

How many symmetrical lines are there in an heptagon?

• 7

• 6

• 5

• 4