Find Angle Measures and Sides of Polygons

Solve for x.

• 80

• 110

• 17

• 60

Solve for x

• 45

• 12

• 90

• 2

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

• 180

• 360

• 3240

• 162

The sum of 5 angles of a hexagon is 600^o.  What is the measure of the 6th angle?

• 90^o

• 120^o

• 100^o

• 60^o

Find the sum of the measures of the interior angles of a 43-gon.

• 7380

• 7740

• 180

• 43

The sum of the interior angles in a polygon is 1260 degrees. How many sides does the polygon have?

• 5

• 7

• 9

• 11

Find the measure of each exterior angle in a regular 43-gon. Round to the nearest hundredth.

• 8.38

• 180

• 8.37

• 8.78

Find the measure of each interior angle of a regular 43-gon. Round to the nearest tenth.

• 180

• 188.8

• 171.6

• 164

Find the sum of the measures of the exterior angles of a 43-gon.

• 180

• 360

• 7380

• 7740

Each interior angle in a regular polygon is 156 degrees. How many sides does the polygon have?

• 2.9

• 16

• 14

• 15