Geometria Flashcards

1
Q

THODI

A

São os 4 poliedros convexos:

Tetraedro - Faces: Triângulos equiláteros 
Hexaedro - Quadrados
Octaedro - Triângulos equiláteros 
Dodecaedro - Pentágonos regulares
Icosaedro - Triângulos equiláteros
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2
Q

Conceito de polígono

A

São figuras fechadas formadas por segmentos de reta, e são caracterizados por 4 elementos básicos: ângulos, vértices, diagonais e lados.

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3
Q

Conceito de poliedro

A

Reunião de um número finito de polígonos planos

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4
Q

Conceito de poliedro convexo regular

A

Um poliedro convexo regular é aquele cujas faces são polígonos regulares e congruentes e cujos ângulos poliédricos são congruentes também.

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5
Q

Tetraedro

A

4-4-6 e faces: triângulos equiláteros

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6
Q

Hexaedro

A

8-6-12, faces: Quadrados

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7
Q

Octaedro

A

6-8-12, faces: triângulos equiláteros

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8
Q

Dodecaedro

A

20-12-30, faces: pentágonos regulares

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9
Q

Icosaedro

A

12-20-30, faces: triângulos equiláteros

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