Download - Figuras tridimensionales pdf - X. Serrano
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• Son figuras geométricas de tres dimensiones
• Crea el concepto de espacio
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Figuras tridimensionales
Poliedros
Prismas Pirámides
Sólidos de revolución
Cono Cilindro Esfera
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• Es una figura tridimensional compuesta por varias caras (polígonos)
• Los elementos de un poliedro son: • Caras • Aristas • Vértices
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Caras: polígonos que forman la figura. Existen caras basales y caras laterales
Ejemplo: Las caras de la siguiente figura tridimensional son
ABDC EFHG ABFE CDHG A B ACGE BDHF C D
E F
G H
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Aristas: lados (segmentos) de las caras
Ejemplo: Las aristas de la siguiente figura tridimensional son: AB, CD, EF, GH, AC, EG , BD, FH, AE, CG, BF, DH
A B C D E F G H
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Vértices: puntos que cortan las aristas. Los vértices unen tres o más caras
Ejemplo: Los vértices de la siguiente figura tridimensional son:
A, B, C, D, E, F, G, H
A B
C D
E F
G H
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• Prismas: poliedros que tienen dos caras basales iguales
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• Pirámides: poliedros que tienen una sola base
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• Los poliedros se nombran utilizando: 1. Clasificación del poliedro (si es prisma o pirámide) 2. Nombre de la base del poliedro (polígono)
Prisma Rectangular Pirámide rectangular
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• Sólidos de revolución: figuras
tridimensionales que tienen superficies
curvas
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• Existen tres tipos de sólidos de revolución
• CONO (tiene 1 sola base) • ESFERA (no tiene base) • CILINDRO (tiene 2 bases iguales)
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POLIEDRO
POLIEDRO
SÓLIDO DE
REVOLUCIÓN
SÓLIDO DE
REVOLUCIÓN
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PRISMA PENTAGONAL
CONO
ESFERA
PIRÁMIDE RECTANGULAR
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Caras: 7 Aristas: 15 Vértices: 10
Caras: 5 Aristas: 8 Vértices: 5
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