3-5 The Polygon Angle-Sum Theorem (Geo)

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

• 36
• 10
• 18
• 40

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

• 150
• 120
• 1800
• 20

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

• 30

• 120
• 1800
• 20

A polygon with six sides is called a(n) ______________.

• hexagon
• pentagon
• decagon
• septagon

Tags

CCSS.4.G.A.2

A polygon with 5 sides is called a(n) _____________.

• pentagon
• hexagon
• septagon
• quadrilateral

Tags

CCSS.HSG.CO.A.1

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

• octagon
• decagon
• heptagon
• dodecagon

Tags

CCSS.HSG.CO.A.1

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)

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

• 360
• n
• (n - 2)180
• (n - 1)180

Find the sum of the interior angles of a nonagon.

• 1260
• 900
• 1620
• 180

Find the measure of angle E.

• 9
• 97°
• 48°
• 79°

Tags

CCSS.7.G.B.5

CCSS.7.EE.B.4