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What do you call a flat two-dimensional (2D) shape?

• plane figure

• solid figure

• space figure

• polyhedron

What do you call a three-dimensional object?

NOTE: You may choose more than one from the options.

• solid figure

• space figure

• plane figure

• polygon

What are the dimensions of a solid/space figure?

NOTE: You may choose more than one from the options.

• length

• width

• height

• face

• vertex

What are the properties of a solid/space figure?

NOTE: You may choose more than one from the options.

• face

• vertex

• edge

• length

• width

What do you call a line segment that is formed by the intersection of two faces?

• edge

• face

• vertex

• net

What do you call a point where three or more edges intersect?

• vertex

• net

• face

• edge

What do you call polygon in a polyhedron?

• face

• net

• vertex

• edge

What do you call a 3D figure whose surfaces are polygons?

• polyhedron

• space figure

• solid figure

• plane figure

Can we consider a cone, cylinder and a sphere a polyhedron? Why?

• No. It is because they have curved face, not flat, surfaces.

• Yes. It is because their surfaces are polygons

What space figure am I?

•I have 6 flat square faces.

•I have 12 straight edges.

•I have 8 vertices.

• cube

• cuboid

• rectangular prism

• square pyramid