Finding One Interior Angle of Polygons

What is the formula for finding ONE interior angle of a polygon?

• S= (n-2)180

• S= (n-180)2

• S= (n-2)180/n

• S= (n - 180)2/n

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

• 90°

• 108°

• 120°

• 180°

Find the value of X

• 94

• 25

• 36

• 180

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

• Decagon

• Nonagon

• Heptagon

• Hexagon

Find the value of x

• 87°

• 54°

• 101°

• 92°

Find the measure of angle E.

• 9

• 97°

• 48°

• 79°

Find the value of y in polygon JKLM.

• 25

• 22.5

• 180

• 11.25

Solve for x. 

• 100

• 120

• 125

• 130

Tags

CCSS.3.MD.D.8

What is the measure of ONE interior angle in a regular hexagon (6 sides)?

• 60°

• 80°

• 108°

• 120°