CCG - CH8 Polygon angles and area Review

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

• hexagon
• pentagon
• decagon
• septagon

Tags

CCSS.2.G.A.1

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

• octagon
• decagon
• heptagon
• dodecagon

Tags

CCSS.2.G.A.1

What is the formula for the sum of exterior angles in a polygon?

• 180(n−2)

• 180(n−2)÷n

• 360

• 360/n

What is the sum of the exterior angles of a decagon

• 1440
• 360
• 540
• 720

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

• 36
• 10
• 18
• 40

What is the value of x?

• 26.25
• 38.75
• 24
• 25.125

An exterior angle of a regular polygon
measures 36°. How many sides does
the polygon have? 

• 10
• 5
• 14
• 9

What is the formula for the sum of interior angles in a polygon?

• 180(n−2)

• 180(n−2)÷n

• 360

• 360/n

Find the sum of the interior angles in an octagon.

• 2000

• 2340

• 1875

• 1080

What is the measure of each interior angle of a regular octagon?

• 135

• 180

• 145

• 190