Unit 9: Polygons

Front

Definition of a polygon? (3 properties)

Back

3 or more sides, Straight sides, Closed (no unconnected lines)

Front

Regular polygon definition

Back

Polygon with all sides and angles congruent

Front

Convex polygon definition

Back

All diagonals stay inside the polygon (all interior angles <180)

Front

Concave polygon definition

Back

At least one diagonal drawn goes outside of the polygon (forms a 'cave')

Front

HEPTAGON

Back

7 sides

Front

NONAGON

Back

9 sides

Front

PENTAGON

Back

5 sides

Front

HEXAGON

Back

6 sides

Front

OCTAGON

Back

8 sides

Front

DECAGON

Back

10 sides