Interior & Exterior Angles

Find the value of X.

• 100° 
• 110° 
• 150° 
• 168° 

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

• 1440°
• 900°
• 1080°
• 1260°

Find the measure of the indicated angle. 

• 95
• 85
• 35
• 45

Tags

CCSS.8.G.A.5

Which formula is used to find the sum of the interior angles of a polygon?

• 180
• 360
• (n-2)180
• n(n-3)/2

What is the SUM of the angle measures in a 35-gon?

• 180°
• 5940°
• 1080°
• 169.71°

What is the measure of one interior angle of a regular 45-gon?

• 180°
• 360°
• 172°
• 93°

The sum of the interior angles of a polygon is __________________ where n is the number of sides.

• (n - 2)180
• (n - 1)180
• 360
• (n - 3)(180)

Find the measure of the missing angle.

• 90^o
• 10⁰
• 130^o
• 50^o

Tags

CCSS.7.G.B.5

Find the measure of one interior angle in regular 25-gon. Round your answer to the nearest tenth if necessary.

• 164.3⁰

• 167.1⁰

• 165.6⁰

• 166.7⁰

Find the value of x.

• 540⁰

• 121⁰

• 134⁰

• 360⁰