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Lesson 7 Menu Warm-up Problems 1.Name polygon A by its number of sides. 2.Name polygon B by its number of sides. 3.Find the perimeter of polygon A. 4.Find.

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Presentation on theme: "Lesson 7 Menu Warm-up Problems 1.Name polygon A by its number of sides. 2.Name polygon B by its number of sides. 3.Find the perimeter of polygon A. 4.Find."— Presentation transcript:

1 Lesson 7 Menu Warm-up Problems 1.Name polygon A by its number of sides. 2.Name polygon B by its number of sides. 3.Find the perimeter of polygon A. 4.Find the perimeter of polygon B. 5.Classify the polygons as regular or irregular.

2 Lesson 7 MI/Vocab polyhedron face edges prism bases vertex Identify three-dimensional figures. Find surface area and volume. regular prism pyramid regular polyhedron Platonic solids cylinder cone sphere surface area volume

3 Lesson 7 Ex1 Identify Solids A. Identify the solid. Name the bases, faces, edges, and vertices.

4 Lesson 7 Ex1 Identify Solids The bases are rectangles. This solid is a rectangular prism. Answer:rectangular prism; Bases: rectangles EFHG, ABDC Faces: rectangles FBDH, EACG, GCDH, EFAB, EFGH, ABCD Vertices: A, B, C, D, E, F, G, H

5 Lesson 7 Ex1 Identify Solids B. Identify the solid. Name the bases, faces, edges, and vertices.

6 Lesson 7 Ex1 Identify Solids The bases are hexagons. This solid is a hexagonal prism. Answer: hexagonal prism; Bases:hexagon EFGHIJ and hexagon KLMNOP Faces:rectangles EFLK, FGML, GHMN, HNOI, IOPJ, JPKE Vertices: K, L, M, N, O, P, E, F, G, H, I, J

7 Lesson 7 Ex1 Identify Solids C. Identify the solid. Name the bases, faces, edges, and vertices.

8 Lesson 7 Ex1 Identify Solids The base is a circle and there is one vertex. So, it is a cone. Answer: Base: circle T Vertex: W no faces or edges

9 A.A B.B C.C D.D Lesson 7 CYP1 A.triangular pyramid B.pentagonal prism C.rectangluar prism D.square pyramid Identify the solid.

10 Lesson 7 KC1

11 Lesson 7 Ex2 Surface Area and Volume A. Find the surface area of the cone. Answer: The cone has a surface area of 75.4 cm 2. π π π π. π.cm 2

12 Lesson 7 Ex2 Surface Area and Volume B. Find the volume of the cone. Answer: The cone has a volume of 37.7 cm 3. π. cm 3 π. π

13 Lesson 7 Ex3 Surface Area and Volume The amount of material used to make the tube would be equivalent to the surface area of the cylinder.

14 Lesson 7 Ex3 Surface Area and Volume Answer: Mike needs about 405 square inches of cardboard for each tube..

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