Lesson 10.3 Three-Dimensional Figures

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Presentation transcript:

Lesson 10.3 Three-Dimensional Figures Essential Question: How do you classify solids?

Before we start… What is a polygon? Name the polygons with the given number of sides: 4 5 6 8 10

What is a solid? A three-dimensional figure that encloses a part of space

What is a polyhedron? A solid that is enclosed by polygons; it has only flat surfaces.

What is a face? The polygons that form a polyhedron Face

How do you classify solids? The base of the solid determines which one it is.

What is a prism? A polyhedron Two congruent bases in a parallel plane Other faces are rectangles

What is a pyramid? A polyhedron One base Other faces are triangles

What is a cylinder? A solid Two congruent circular bases in parallel planes

What is a cone? Solid One circular base

What is a sphere? Solid All points in space are the same distance from a fixed point called the center

What a cube? A polyhedron A prism Six square faces

Classify the solid. Is the solid a polyhedron?

Classify the solid. Is the solid a polyhedron?

What is an edge? The segments where faces of a polyhedron meet Edge

What is a vertex? A point where three or more edges meet Vertex

Classify the solid. Then count the number of faces, edges, and vertices.

Classify the solid. Then count the number of faces, edges, and vertices.

Classify the solid. Then count the number of faces, edges, and vertices.

Classify the solid. Then count the number of faces, edges, and vertices.

Sketch a triangular prism.

Sketch a cylinder.

Sketch a rectangular prism.

Sketch a hexagonal prism.

How do you classify solids?

Ticket Out the Door Classify the solid.