Interior Angles
Exterior Angles
Solve for the variable
Classify Polygons
Regular Polygons
100

The sum of the interior angles of a triangle is...

180

100

The sum of the exterior angles on any polygon is...

360

100

Find the measure of angle 2.



<2 = 72

100

Concave or Convex?

Concave

100

What is the measure of one interior angle of a regular pentagon?

108 degrees

200

The formula for the sum of the interior angles of a polygon with n sides is...

(n-2)(180)

200

The measure of the exterior angles of a regular hexagon is...

60 degrees

200

Find x


x=122

200

What makes a polygon regular?

All sides and angles are congruent

200

What is the measure of one exterior angle of a polygon with 360 sides?

1 degree

300
The sum of the interior angles of a nonagon is...

1260 degrees

300

The sum of the exterior angles of a 36-gon is...

360 degrees

300

Find x.



x=163

300

Regular or Nonregular?

Regular

300
What is the measure of an interior angle of a regular decagon?

144 degrees

400

The sum of the interior angles of a polygon with 17 sides is...

2700

400

The measure of an exterior angle of a regular quadrilateral is...

90 degrees

400

Find a


a=25

400

What do you call a polygon with 12 sides?

Dodecagon

400

I'm thinking of a regular polygon whose interior angles each measure 156 degrees. How many sides does the polygon have?

15 sides

500

The sum of the interior angles of a polygon with 1000 sides is...

179640 degrees

500

A regular polygon with an exterior angle measure of 18 degrees has how many sides?

20

500

Find x.



x=20

500

What do you call a polygon with 7 sides?

Heptagon

500

I'm thinking of a regular polygon whose exterior angles each measure 3.6 degrees. How many sides does this polygon have?

100 sides

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