Sum of Interior Angles of a Polygon

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

• 180(n−2)
• 180(n−2)÷n
• 360
• 360/n

Tags

CCSS.7.G.B.6

What is the sum of interior angles for a pentagon?

• 900
• 540
• 360
• 108

What is the measure of a single interior angle for a regular pentagon?

• 900
• 540
• 360
• 108

Tags

CCSS.7.G.B.5

CCSS.7.G.B.6

What is the sum of interior angles for an octagon?

• 1440
• 1080
• 1800
• 135

What is the sum of interior angles for a 27-gon?

• 4860
• 4500
• 3700
• 2700

What is the measure of a single interior angle in a 16-gon?

• 2880
• 2520
• 1600
• 157.5

If an interior angle of a regular polygon has a measure of 120 degrees, how many sides does it have?

• 6
• 12
• 5
• 8

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

CCSS.HSA.SSE.A.1

Solve for x

• 94
• 25
• 36
• 180

Tags

CCSS.7.G.B.5

Solve for x

• 27
• 72
• 80
• 14

Tags

CCSS.7.G.B.5

CCSS.7.EE.B.3

CCSS.7.EE.B.4

Find the value of X.

• 100° 
• 110° 
• 150° 
• 168° 

Tags

CCSS.7.G.B.5