Polygons
Interior Angle
Sum of Angles
100

3 sides

 triangle

100
what is the individual angle of a regular quadrilateral?
What is 90 degrees
100
what is the angle sum of a triangle?
What is 180 degrees
200

4 sides

quadrilateral

200
what is the individual angle of a regular pentagon?
What is 108 degrees
200
what is the angle sum of a nonagon?
What is 1260 degrees
300

9 sides

What is nonagon

300
what is the individual angle of a regular triangle
What is 60 degrees
300
what is the angle sum of a 13-gon
What is 1980
400

6 sides

Hexagon

400

what is the individual angle of a regular heptagon?

What is 128.57 degrees

400
what is the angle sum of a heptagon
What is 900
500

7 sides

Heptagon

500
what is the individual angle of a regular dodecagon?
What is 150 degrees
500
what is the angle sum of a decagon?
What is 1440
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