3-Dimensional Figures
ALL THERE IS TO KNOW ... AND MORE :)
What is a 3-Dimensional Figure?
A figure that has measurements including:
* Length
* Width (Depth)
* Height
Attributes of 3-D Figures
FACE
The flat surface of a 3-D figure.
EDGE
A line segment where two faces meet on a solid.
VERTEX
The point (corner) of intersection of three or more edges of a solid.
Types of 3-D Figures
Prisms:
Rectangular Prism
6 Rectangular Faces
12 Edges
8 Verticies
Cube
6 Square Faces
12 Edges
8 Verticies
Triangular Prism
5 Faces
* 2 Triangular Faces
* 3 Rectangular Faces
9 Edges
6 Verticies
Pyramids:
Rectangular Pyramid
5 Faces
* 1 Rectangular Face
* 4 Triangular Faces
8 Edges
5 Verticies
Square Pyramid
5 Faces
* 1 Rectangular Face
* 4 Triangular Faces
8 Edges
5 Verticies
Triangular Pyramid
4 Faces
* 4 Triangular Faces
6 Edges
4 Verticies
Cylinder
2 Circular Bases
1 Curved Surface
Cone
1 Circle as a Base
1 Curved Surface
Sphere
1 Curved Surface
Who Am I?
1. All my faces the same size and same shape. Who am I?
2. Two solids that have the same number of edges. Who am I?
3. I only have curved surfaces. Who am I?
4. All my faces are congruent. Who am I?
5. I have 2 flat surfaces shaped like circles. Who am I?
6. I have only 1 circular base. Who am I?
7. I am 8 verticies. Who am I?
Connection to STAAR
Which statement below comparing the figures is true?
A. Both figures have the same number of vertices.
B. All the faces of both figures are the same shape.
C. Each figure has a pair of opposite faces that are the same shape.
D. Both figure have 12 edges.