The Number of Sides of A Polygon

The sum of the interior angles in a polygon is 3,240^o.  How many sides are in the polygon?

• 10
• 582,840
• 18
• 20

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

Find the measure of angle E.

• 9
• 97°
• 48°
• 79°

Tags

CCSS.HSG.C.A.3

The sum of the interior angles of a polygon is 3960°. How many sides does the polygon have?

• 12
• 24
• 25
• 13

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

The Pythagorean Theorem ONLY works on which triangle? 

• obtuse
• scalene
• isosceles
• right

Tags

CCSS.8.G.B.8

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

• 90°
• 108°
• 120°
• 180°

Tags

CCSS.4.MD.C.5

CCSS.4.MD.C.7

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 measure of ONE exterior angle of a regular decagon.

• 36
• 10
• 18
• 40

Tags

CCSS.HSG.CO.A.1

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

• 144

• 120

• 1800

• 20

A polygon with 8 sides is called a(n) __________________.

• octagon
• decagon
• heptagon
• dodecagon

Tags

CCSS.4.G.A.2

The sum of the interior angles of a polygon is __________________ where n is the number of sides.

• (n - 2)180
• (n - 1)180
• 360
• (n - 3)(180)