POLYGONS

The figure shown is called a _______ because it has 8 side .

• Heptagon

• Octagon

• Pentagon

Regular or irregular polygon?

• Regular Polygon
• Irregular Polygon

How many lines of symmetry are there on an equilateral triangle?

• 0

• 1

• 2

• 3

Classify this polygon

• Regular

• Irregular

Which formula is to find sum of the interior angles of a polygon?

Find the value of X.

• 100° 
• 110° 
• 150° 
• 168° 

What is the sum of interior angle in a nonagon?

• 180

• 75

• 40

• 20

Find the measure of the angle K .

Find the missing angle .