Polygon Angle Measure

Calculate the sum of the interior angle measures of a polygon with 16 sides.

• 2880 degrees

• 2520 degrees

• 344 degrees

• 360 degrees

Calculate the sum of the interior angle measures of a polygon with 25 sides.

• 360 degrees

• 4500 degrees

• 335 degrees

• 4140 degrees

The sum of the interior angles of a polygon is 1620°.  How many sides does the polygon have?

• 8

• 11

• 3

• 16

What is the sum of the exterior angles of a 20-gon?

• 180

• 360

• 3240

• 162

Find the value of X.

• 60

• 120

• 85

• 55

Find the value of X

• 112°

• 116°

• 90°

• 244°

Solve for X

• 27

• 72

• 80

• 14

Five angles of a hexagon measure 119°, 129°, 104°, 149°, and 95°.  What is the measure of the sixth angle?

• 89

• 105

• 720

• 124

The figure is a parallelogram.  
Solve for x.  

• 1

• 11

• 7

• 6

The figure is a parallelogram.  
Solve for x.  

• 7

• 2

• 0

• 4