Internal Angles of Regular Polygons

Find the size of angle x

• 108^o

• 120^o

• 90^o

• 144^o

Find the size of angle x

• 135^o

• 150^o

• 144^o

• 140^o

What is the formula for the sum of interior angles in a polygon?

• 180(n−2)
• 180(n−2)÷n
• 360
• 360/n

What is the sum of interior angles for a pentagon?

• 900
• 540
• 360
• 108

What is the measure of a single interior angle for a regular pentagon?

• 900
• 540
• 360
• 108

What is the measure of a single interior angle for a regular octagon?

• 1440
• 1080
• 1800
• 135

What is the sum of the interior angles for a      24-gon

• 3960
• 360
• 15
• 4280

What is the name of a 7 sided polygon?

• hexagon
• heptagon
• octagon
• nonagon

Tags

CCSS.2.G.A.1

What is the SUM of the angle measures in a nonagon (9 sides)?

• 1440°
• 900°
• 1080°
• 1260°

What is the measure of ONE interior angle in a regular hexagon (6 sides)?

• 60°
• 80°
• 108°
• 120°