Angles of Polygons

• Nonagon

• 11-gon

• 13-gon

• 15-gon

• Decagon

• 11-gon

• 13-gon

• Dodecagon

Solve for x.

• x = 20

• x = 56

• x = 128

• x = 280

Find the measure of one exterior angle of a regular hexagon.

• 30 degrees

• 60 degrees

• 72 degrees

• 90 degrees

Find the measure of one exterior angle of a regular pentagon.

• 30 degrees

• 60 degrees

• 72 degrees

• 90 degrees

Find the measure of one interior angle of a regular triangle.

• 30 degrees

• 60 degrees

• 72 degrees

• 90 degrees

Find the measure of one interior angle of a regular nonagon.

• 90 degrees

• 108 degrees

• 120 degrees

• 140 degrees

Find the value of x.

• x = 30

• x = 35

• x = 40

• x = 45

This is what kind of angle?

• obtuse

• right

• straight

• acute

What is the value of x?

• 37

• 72

• 108

• 18