2D Figures

Vertices

100

I have 3 vertices.

I am a triangle.

200

I have 5 vertices.

I am a pentagon.

300

I have 8 vertices.

I am an Octagon.

400

I have 10 vertices.

I am a decagon.

500

I have 12 vertices.

I am a dodecagon.

Sides

100

I have 4 sides.

I am a quadrilateral. 

200

I have 6 sides.

I am a hexagon.

300

I have 7 sides.

I am a heptagon.

400

I have 9 sides.

I am a nonagon.

500

I have 11 sides.

I am a hendecagon.

Names

100

My prefix is hexa what is my name?

My name is hexagon.

200

My prefix is Penta, what is my name?

My name is pentagon.

300

My prefix is Octa, what is my name?

My name is octagon.

400

My prefix is Nona, what is my name?

My name is nonagon.

500

My prefix is hepta, what is my name?

My name is heptagon.

Polygons?

100

I have curved sides, am I a polygon why or why not?

No, polygons have straight sides.

200

I have openings in my shape, am I a polygon why or why not?

No, polygons are closed shapes. 

300

I have intersecting lines in my shape, am I a polygon why or why not?

No, polygons do not have intersecting lines.

400

I have straight lines, I am a closed shape, I have no intersecting lines, am I a polygon why or why not?

Yes, I am a polygon because I follow all the rules for polygons.

500

What are the three rules that polygons must follow?

All polygons must have straight sides, no intersecting lines, and are closed shapes. 

What Shape am I?

100

I have five vertices and five sides.

I am a pentagon.

200

I have six vertices and six sides.

I am a hexagon.

300

I have eight sides and eight vertices.

I am an octagon.

400

I have nine sides and nine vertices.

I am a nonagon.

500

I have eleven vertices and eleven sides.

I am a hendecagon.