Interior and Exterior Angles Review

What is the SUM of the angle measures in a nonagon (9 sides)?

• 1440°
• 900°
• 1080°
• 1260°

Find the measure of the angle x.

• 105
• 115
• 65
• 75

Tags

CCSS.HSG.CO.C.10

In a triangle, how many total degrees are there?

• 100%
• 180 degrees
• it varies
• 360 degrees

Tags

CCSS.8.G.A.5

What is the measure of the unlabeled angle of the triangle?

• 90*
• 82*
• 98*
• 75*

Calculate the sum of the interior angle measures of a polygon with 16 sides.

• 2880 degrees
• 2520 degrees
• 344 degrees
• 360 degrees

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

• 60°
• 80°
• 108°
• 120°

Tags

CCSS.HSG.CO.D.13

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

• octagon
• decagon
• heptagon
• dodecagon

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

• S= (n-2)*180

• S= (n-180)*2

• S= (n-2)180 then s/n

• S= (n - 180) then 2/n

What is the sum of interior angles formula?

• s=180n

• s=(n-2)*180

• s/n

• s=(180-2)*n

Find the value of X.

• 100
• 120
• 125
• 130

Tags

CCSS.4.MD.C.5

CCSS.4.MD.C.7

CCSS.4.OA.A.3