Polygon Video

What is a polygon?

• A 3D shape

• A multi-sided shape with straight sides

• A shape with no sides

• A shape with only curved sides

Tags

CCSS.2.G.A.1

Which of the following is NOT a part of a polygon?

• Angles

• Sides

• Vertices

• Curves

What does it mean for a shape to be 'closed'?

• It has no sides

• Its sides are connected with no gaps

• It has curved sides

• It is a 3D shape

Tags

CCSS.1.G.A.1

CCSS.2.G.A.1

Why can't a polygon be a 3D shape?

• Because it has curved sides

• Because it has no vertices

• Because it must be flat with all vertices on the same plane

• Because it has no angles

Tags

CCSS.1.G.A.1

CCSS.2.G.A.1

Is a star shape a polygon?

• No, because it is an open shape

• Yes, because it is a 3D shape

• No, because it has curved sides

• Yes, because it has straight sides and vertices

Tags

CCSS.2.G.A.1