Polygon Angle Measure

The figure is a parallelogram.  
Solve for x.  

• 7

• 1

• 5

• 2

The figure is a parallelogram.  
Solve for x.  

• 1
• 10
• 4
• 5

Find the measure of angle b.

• b = 51

• b = 129

Which formula represents how to find the interior angle sum of any polygon?

• (number of sides - 2) x 180

• (number of sides + 2) x 180

• number of sides x 180

• number of sides x 360

Find the value of x.

• 110

• 90

• 130

• 120

The sum of the interior angles in a polygon is 3,240^o.  How many sides are in the polygon?

• 10

• 582,840

• 18

• 20

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

• 1440°

• 900°

• 1080°

• 1260°

What is the SUM of the angle measures in a triangle (3 sides)?

• 60°

• 90°

• 120°

• 180°

Find the value of X.

• 100

• 120

• 125

• 130

Find the measure of the missing angle

• 95

• 85

• 35

• 45