Angles of Polygons

How many sides does a Decagon have?

• 8

• 9

• 10

• 12

What is the name of a twelve sided polygon?

• Hexagon

• Octagon

• Decagon

• Dodecagon

Find the sum of the interior angles of a nonagon.

• 1260
• 900
• 1620
• 180

Find the measure of ONE interior angle of a regular dodecagon.

• 150
• 120
• 1800
• 20

Tags

CCSS.HSG.CO.A.1

A polygon's interior angles add up to 2700.  How many sides does the polygon have?

• 17
• 15
• 19
• 11

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

CCSS.HSA.REI.A.1

Find the number of sides of a regular polygon with one interior angle measuring 165⁰

• 24
• 22
• 26
• 20

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

Find the value of the variable(s).

• x = 88
• x = 176
• x = 90
• x = 174

Tags

CCSS.7.G.B.5

CCSS.7.EE.B.4

What is the value of x?

• 26.25
• 38.75
• 24
• 25.125

Tags

CCSS.7.G.B.5

CCSS.7.EE.B.4

CCSS.7.EE.B.3

What is the measure of one EXTERIOR angle of a regular octagon?

• 60
• 45
• 1080
• 135

Tags

CCSS.4.MD.C.5

CCSS.4.G.A.1

Calculate the sum of the interior angle measures of a polygon with 16 sides.

• 2880 degrees
• 2520 degrees
• 344 degrees
• 360 degrees

Tags

CCSS.7.G.B.6