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Warm-up Problems Name polygon A by its number of sides. 2. Name polygon B by its number of sides. Find the perimeter of polygon A. Find the perimeter of polygon B. Classify the polygons as regular or irregular. Lesson 7 Menu. Identify three-dimensional figures.
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Warm-up Problems • Name polygon A by its number of sides. 2. Name polygon B by its number of sides. • Find the perimeter of polygon A. • Find the perimeter of polygon B. • Classify the polygons as regular or irregular. Lesson 7 Menu
Identify three-dimensional figures. • Find surface area and volume. • polyhedron • regular prism • pyramid • regular polyhedron • Platonic solids • cylinder • cone • sphere • surface area • volume • face • edges • prism • bases • vertex Lesson 7 MI/Vocab
Identify Solids A.Identify the solid. Name the bases, faces, edges, and vertices. Lesson 7 Ex1
Answer: rectangular prism;Bases: rectangles EFHG, ABDCFaces: rectangles FBDH, EACG, GCDH, EFAB, EFGH, ABCD Vertices:A, B, C, D, E, F, G, H Identify Solids The bases are rectangles. This solid is a rectangular prism. Lesson 7 Ex1
Identify Solids B.Identify the solid. Name the bases, faces, edges, and vertices. Lesson 7 Ex1
Answer: hexagonal prism;Bases: hexagon EFGHIJ and hexagon KLMNOPFaces: rectangles EFLK, FGML, GHMN, HNOI, IOPJ, JPKE Vertices:K, L, M, N, O, P, E, F, G, H, I, J Identify Solids The bases are hexagons. This solid is a hexagonal prism. Lesson 7 Ex1
Identify Solids C.Identify the solid. Name the bases, faces, edges, and vertices. Lesson 7 Ex1
Identify Solids The base is a circle and there is one vertex. So, it is a cone. Answer:Base: circle TVertex:Wno faces or edges Lesson 7 Ex1
Identify the solid. • A • B • C • D A. triangular pyramid B. pentagonal prism C. rectangluar prism D. square pyramid Lesson 7 CYP1
π π π π π . cm2 . Surface Area and Volume A.Find the surface area of the cone. Answer: The cone has a surface area of 75.4 cm2. Lesson 7 Ex2
π π . π . cm3 Surface Area and Volume B. Find the volume of the cone. Answer: The cone has a volume of 37.7 cm3. Lesson 7 Ex2
Surface Area and Volume The amount of material used to make the tube would be equivalent to the surface area of the cylinder. Lesson 7 Ex3
. Surface Area and Volume Answer: Mike needs about 405 square inches of cardboard for each tube. Lesson 7 Ex3