2D Figures

Polygon Properties

100

I have three angles and three sides.

triangle

200

I have 5 vertices.

I am a pentagon.

300

I have 8 vertices.

I am an Octagon.

400

I have six vertices and sides.

hexagon

500

I have 4 sides, 4 right angles, and 2 pairs of parallel sides.

rectangle

Angles

100

I am less than 90 degrees

acute angle

200

I am 90 degrees.

right angle

300

I am more than 90 degrees and less than 180 degrees.

obtuse angle

400

I am 180 degrees.

straight angle

500

I am the point that creates an angle.

vertex

Names

100

I have six sides.

My name is hexagon.

200

I have 5 sides.

My name is pentagon.

300

I have 8 sides.

My name is octagon.

400

I have three sides.

My name is triangle.

500

I am a closed 2D (flat) shape that has straight sides.

My name is polygon.

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

Parallelogram

yes

400

circle

no 

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 4 sides that are equal in length, 4 right angles, and 2 sets of parallel sides.

I am a square.

500

I have 4 sides and one pair of parallel sides.

I am a trapezoid.