Angles and Properties of Polygons

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

• 8

• 11

• 3

• 16

Find the value of X.

• 60

• 72

• 85

• 55

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

• 135

• 180

• 145

• 190

Find the value of X

• 94

• 25

• 36

• 180

Match the following

• 129 degrees

• m<Q

• 129 degrees

• m<P

• 51 degrees

• m<R

Find the value of X.

• 100° 

• 110° 

• 150° 

• 168° 

The figure is a parallelogram.  
Solve for x.  

• 7

• 2

• 0

• 4

The figure is a parallelogram.  
Solve for x.  

• 1

• 11

• 7

• 6

The figure is a parallelogram.

Solve for x.

• x = 53.3

• x = 4

• x = 3

• x = 116

The figure is a parallelogram.

Solve for y.

• y = 4

• y = 116

• y = 56

• y = 184