Interior Angles
Exterior Angles
Definitions
Classify 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

Who is the Father of Geometry

Euclid

100

Concave or Convex?

Concave

200

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

180(n-2)

200

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

60 degrees

200

It is a part of a line that has two endpoints

Line segment

200

What makes a polygon regular?

All sides and angles are congruent?

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

What type of angle measures more than 90 degrees but less than 180 degrees?

Obtuse

300

Regular or Nonregular?

Regular

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

What pair of angles sums up to 90 degrees?

Complementary Angles

400

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

Square

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

What do you call two lines that intersect to form a right angle?

Perpendicular lines

500

What do you call a polygon with 7 sides?

Heptagon