3D Solids & Nets Vocabulary

Front

What is a 3D solid?

Back

A three-dimensional solid is a geometric figure that has length, width, and height, occupying space in three dimensions.

Front

What is a triangular prism?

Back

A triangular prism is a 3D solid with two triangular bases connected by three rectangular faces.

Front

What is a hexagonal pyramid?

Back

A hexagonal pyramid is a 3D solid with a hexagonal base and six triangular faces that converge at a single point (the apex).

Front

What is a cube?

Back

A cube is a 3D solid with six equal square faces, twelve equal edges, and eight vertices.

Front

What is a rectangular prism?

Back

A rectangular prism is a 3D solid with six rectangular faces, where opposite faces are equal.

Front

What is a triangular pyramid?

Back

A triangular pyramid, or tetrahedron, is a 3D solid with a triangular base and three triangular faces that meet at a point (the apex).

Front

What is a net in geometry?

Back

A net is a two-dimensional representation of a 3D solid that can be folded to form the solid.

Front

How many faces does a cube have?

Back

A cube has six faces.

Front

What is the difference between a prism and a pyramid?

Back

A prism has two parallel bases connected by rectangular faces, while a pyramid has one base and triangular faces that converge at a point.

Front

What is the volume formula for a rectangular prism?

Back

The volume of a rectangular prism is calculated using the formula V = length × width × height.