Polygons Day 2

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

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

• 4860
• 4500
• 3700
• 2700

How do the interior and exterior angles of a polygon relate?

• They are complementary

• They are congruent

• They are supplementary

• They have no relationship

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

What is the measure of each interior angle of a regular polygon?

•  $\left(n-2\right)180$  

•  $\frac{\left(n-2\right)180}{n}$  

•  $\frac{\left(n-2\right)360}{n}$  

•  $\frac{360}{n}$  

An hexagon has ​ (a)   sides.

• six
• four
• five
• seven