Angles in Polygons

What is the sum of the interior angles for a 24-gon (24-sided polygon)?

• 3960

• 360

• 15

• 4280

Find the value of X.

• 100° 
• 110° 
• 150° 
• 168° 

Tags

CCSS.7.G.B.5

Find the value of X.

• 60
• 120
• 85
• 55

Tags

CCSS.7.G.B.5

Find the measure of angle K.

• 9

• 97°

• 48°

• 79°

Tags

CCSS.7.G.B.5

Find the value of X

• 94
• 25
• 36
• 180

Tags

CCSS.7.G.B.5

The measures of one angle of a regular polygon is 140^o. What is the name of the polygon? (Hint: Solve for n)

• Decagon (10-sided)

• Nonagon (9-sided)

• Heptagon (7-sided)

• Hexagon (6-sided)

What is the SUM of the INTERIOR angles of a 12-gon (12-sided polygon)?

• 3600

• 1800

• 2160

• 12

Tags

CCSS.7.G.B.5

A polygon has a sum of interior angle measures equal to 1620°. How many sides does the polygon have?

• 9
• 11
• 13
• 7

Tags

CCSS.7.G.B.5

Find the value of y.

• 125
• 135
• 140
• 110

Tags

CCSS.7.G.B.5

What is the measure of one interior angle of a regular 45-gon (45-sided polygon)?

• 8°

• 360°

• 172°

• 93°