Polygons and Quadrilaterals

Find the sum of the interior angles of a nonagon.

• 1260
• 900
• 1620
• 180

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

• 90°
• 108°
• 120°
• 180°

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 formula for the sum of the interior angles of a polygon?

• S = (n-2)
• S = (n-2) 180
• S = 360 / n
• S = (n-2) 360

What is the measure of each exterior angle of a regular octagon?

• 45 degrees
• 360 degrees
• 1080 degrees
• 135 degrees

Find the value of x

• 87°
• 54°
• 101°
• 92°

The figure is a parallelogram.  
Solve for x.  

• 7
• 2
• 0
• 4

The figure is a parallelogram.  
Solve for x.  

• 7
• 1
• 5
• 2

Find the measure of angle b.

• b = 51
• b = 129

Solve for X

• 22
• 16
• 40
• 35