Interior Angles
Exterior Angles
Triangles
Classify Polygons
Challenge
200

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

180

200

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

360

200

Find the missing interior angle.

26 degrees

200

Concave or Convex?

Concave

200

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

108 degrees

400

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

180(n-2)

400

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

60 degrees

400

Find the measure of angle 2

72 degrees

400

What makes a polygon regular?

All sides and angles are congruent?

400

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

1 degree

600
The sum of the interior angles of a nonagon is...

1260 degrees

600

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

360 degrees

600

Find x.

x = 4

600

Regular or Nonregular?

Regular

600
What is the measure of an interior angle of a regular decagon?

144 degrees

800

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

2700

800

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

90 degrees

800

Find the measure of angle B.

72 degrees

800

I'm thinking of a regular quadrilateral. What do we call this shape?

Square

800
I'm thinking of a regular polygon whose interior angles each measure 156 degrees. How many sides does the polygon have?

15 sides

1000

The sum of the interior angles of a polygon with 50 sides is...

 degrees

1000

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

20

1000

Find x.

x = 67

1000

What do you call a polygon with 7 sides?

Heptagon

1000

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

100 sides