Day 1 Polygons

What is the SUM of the angle measures in a DECAGON (10 sides)?

• 1440°

• 900°

• 1080°

• 1260°

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

• 90°
• 108°
• 120°
• 180°

What is the measure of ONE interior angle of a regular 20-gon?

• 90

• 146

• 162

• 122

What is the sum of exterior angles of a pentagon?

• 180

• 360

• 540

• 760

Find the value of x

• 141
• 150
• 135
• 163

Find the value of X.

• 100° 
• 110° 
• 150° 
• 168° 

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

• 360
• n
• (n - 2)180
• (n - 1)180

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

• 4860
• 4500
• 3700
• 2700

What is the sum of the interior angles of the nonagon shown?

• 720° 
• 900° 
• 1080° 
• 1260° 

Find the value of y.

• 125
• 135
• 140
• 110