Angles Polygons

Find the value of x.

• 198

• 162

• 132

• 66

Find the sum of the measures of the interior angles of a nonagon.

Find the sum of the measures of the interior angles of a heptagon.

• 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