Angles of Polygons

What is the least number of sides a polygon can have?

• two

• three

• four

• five

Tags

CCSS.2.G.A.1

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

• 1440°
• 900°
• 1080°
• 1260°

Tags

CCSS.7.G.B.6

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

• 720°

• 900°

• 1080°

• 1260°

Tags

CCSS.7.G.B.5

What is the best name for a polygon with 15 sides?

• Pentagon

• 15-gon

• pentadecagon

• pentatonix

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

• 180

• 360

• 3240

• 162

What is a polygon called if the sum of its interior angles equals 1440° ?

• Octogon

• Nonagon

• Decagon

• Dodecagon

The sum of the interior angles of a polygon is 1620°.  How many sides does the polygon have?

• 8
• 11
• 3
• 16

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

CCSS.HSA.SSE.A.1

Find the value of X.

• 100
• 120
• 125
• 130

Tags

CCSS.4.MD.C.5

CCSS.4.MD.C.7

CCSS.4.OA.A.3

Find the measure of angle E.

• 9
• 97°
• 48°
• 79°

Tags

CCSS.HSG.C.A.3

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