Polygon Angle Sum

A polygon with six sides is called a(n) ______________.

• hexagon
• pentagon
• decagon
• septagon

Tags

CCSS.2.G.A.1

A polygon with 5 sides is called a(n) _____________.

• pentagon
• hexagon
• septagon
• quadrilateral

Tags

CCSS.2.G.A.1

A polygon with 8 sides is called a(n) __________________.

• octagon
• decagon
• heptagon
• dodecagon

Tags

CCSS.2.G.A.1

The sum of the interior angles of a polygon is __________________ where n is the number of sides.

• (n - 2)180
• (n - 1)180
• 360
• (n - 3)(180)

Find the sum of the interior angles of a nonagon.

• 1260
• 900
• 1620
• 180

Find the measure of the missing angle.

• 90^o
• 10⁰
• 130^o
• 50^o

Tags

CCSS.7.G.B.5

Solve for x. 

• 100
• 120
• 125
• 130

Tags

CCSS.6.G.A.3

Find the value of X.

• 60
• 120
• 85
• 55

Find the measure of one angle of this REGULAR polygon.

• 130

• 140

• 150

• 160

Using the Polygon Interior Angle Sum Theorem, what is the interior angle sum of a  9-sided irregular polygon?