Interior Angles of Polygons

What is the sum of the interior angles of a triangle?

• 60°

• 90°

• 120°

• 180°

Tags

CCSS.8.G.A.5

What is the measure of ONE interior angle in a regular pentagon (5-sides)?

• 90°
• 108°
• 120°
• 180°

What is the sum of the interior angles of a nonagon (9 sides)?

• 1440°

• 900°

• 1080°

• 1260°

Find the angle sum of the interior angles of the polygon.

• 180° 
• 540° 
• 720° 
• 1080° 

What is the name of a 7 sided polygon?

• hexagon
• heptagon
• octagon
• nonagon

Tags

CCSS.2.G.A.1

How many sides does an octagon have?

• 8
• 7
• 6
• 9

Tags

CCSS.2.G.A.1

What is the name of a shape that has 6 sides?

• octagon

• hexagon

• triangle

• pentagon

Tags

CCSS.2.G.A.1

What is the name of a shape that has 4 sides?

• octagon

• hexagon

• triangle

• quadrilateral

Tags

CCSS.2.G.A.1

A polygon has to have

• at least two sides
• at least three sides
• four or more sides
• no sides

Tags

CCSS.2.G.A.1

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

• 180

• 360

• (n-2)180

• n(n-3)/2