Interior and Exterior Angle of Polygons

If an exterior angle of a regular polygon measures 15°, how many sides does it have?

• 23

• 24

• 25

If the measures of a heptagon are 127° , 152° , 112° , 123° , 135° , and 105° , what is the measure of the remaining angle?

• 138

• 146

• 154

• 168

Solve for x

• 15

• 16

• 17

Solve for the m<C

• 93

• 96

• 102

• 19

• 20

• 21

• 11

• 13

• 15

The sum of the interior angles of a polygon is 3960°. How many sides does the polygon have?

• 22

• 24

• 26

What is the measure of EACH exterior angle of a 21-gon?

• 360

• 17.14

• 18.94

• 18

What is the sum of the measures of the interior angles of an octagon?

• 1080

• 720

• 900

• 1260

What is the measure of each exterior angle of a regular 30-gon?

• 15

• 12

• 19