Three-Dimensional Figures. Find each missing measure. 1. A = 56 cm 2 2. C = 43.96 ft 3. A = 72 in 2 r 8 cm x cm x in 15 in 6 in.

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Presentation transcript:

Three-Dimensional Figures

Find each missing measure. 1. A = 56 cm 2 2. C = ft 3. A = 72 in 2 r 8 cm x cm x in 15 in 6 in

 Solid: 3D figure that encloses a part of space.  Face: A flat surface or polygon that makes a solid.  Polygon: A closed figure made of three or more line segments.  Bases: A face of a solid usually located on the top or bottom of solid.  Lateral Face: Any side of a solid which is a polygon.  Edge: A line segment where two faces meet.  Vertex: A point where three or more edges meet.

1. Describe the shape of the solid’s base(s). ◦ 3 sides = Triangular ◦ 4 sides = Quadrilateral: Square, Rectangular or Trapezoid ◦ 5 sides = Pentagonal ◦ 6 sides = Hexagonal ◦ 7 sides = Heptagonal ◦ 8 sides = Octagonal 2. Describe the shape as either a prism or a pyramid.

Name the solid that best describes each picture. Triangular Prism Hexagonal Pyramid Cylinder Square Prism Or Rectangular Prism

Identify the number of faces, vertices, edges, bases and lateral faces in the hexagonal pyramid.  Bases: 1  Lateral Faces: 6  Edges: 12  Vertices: 7  Faces: 7

Identify each of the following. 1. The number of edges on a pentagonal pyramid. 2. The number of vertices on an octagonal prism. 3. The number of bases on a cone. 4. The number of faces on a hexagonal pyramid. 5. The number of faces on a hexagonal prism.

How is a prism or pyramid named?

Target: Identify the names and qualities of three-dimensional figures.