Mod 7 (interior & exterior angles)

What is the SUM of the angle measures in a triangle (3 sides)?

• 60°
• 90°
• 120°
• 180°

Tags

CCSS.8.G.A.5

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

• 3960
• 360
• 15
• 4280

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

• 1440°
• 900°
• 1080°
• 1260°

What is the name of a 12-sided polygon?

• Dodecahedron
• Polygon
• Decagon
• Dodecagon

Tags

CCSS.2.G.A.1

How do you find the sum of the exterior angles of a polygon?

• 180(n-2)
• 180
• (180(n-2))/n
• 360

Solve for x.

• 80

• 110

• 17

• 60

Solve for x

• 45
• 12
• 90
• 2

What is the sum of the exterior angles of a 20-gon?

• 180
• 360
• 3240
• 162

The sum of 5 angles of a hexagon is 600^o.  What is the measure of the 6th angle?

• 90^o
• 120^o
• 100^o
• 60^o

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

• 60°
• 80°
• 108°
• 120°