Identifying 3D Figures and Their Properties

What defines a solid in three-dimensional geometry?

• A figure that only has height and width

• A two-dimensional figure that can be stretched

• A figure that occupies space and has mass

• A shape that can be folded into a flat surface

Which of the following is NOT a characteristic of a polyhedron?

• Takes up three-dimensional space

• Contains some curved surfaces

• Made entirely of flat surfaces

• All faces are polygons

How many faces does a cube have?

• 6

• 12

• 8

• 4

What is the term used to describe where two faces of a polyhedron meet?

• Joint

• Vertex

• Edge

• Axis

What is a prism?

• A solid with only triangular faces

• A polyhedron with two identical, parallel bases

• A three-dimensional figure with curved surfaces

• A polyhedron with one base

What shape are the lateral faces of a prism?

• Hexagons

• Parallelograms

• Triangles

• Circles

How many bases does a pyramid have?

• Four

• Three

• Two

• One

What shape are the lateral faces of a pyramid?

• Rectangles

• Squares

• Parallelograms

• Triangles

What is the purpose of hidden lines in drawing three-dimensional figures?

• To confuse the viewer

• To show the internal structure

• To highlight the most important edges

• To indicate edges that are not directly visible

What does the top view of a triangular prism look like?

• A triangle

• A rectangle with a line through the middle

• A circle

• A hexagon