Download - Magnitudes físicas superficie
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medindo superficies
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superficie:espazo de dúas dimensións
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1 m2
UNIDADE NO S.I.
metro cadrado
m2
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OUTRAS UNIDADES
quilómetro cadrado km2 1 000 000 m2
hectómetro cadrado (hectárea) hm2 10 000 m2
decámetro cadrado (área) dam2 100 m2
metro cadrado m2 1 m2
decímetro cadrado dm2 0.01 m2
centímetro cadrado cm2 0.0001 m2
milímetro cadrado mm2 0.000001 m2
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OUTRAS UNIDADESSistema anglosaxón
pulgada cadrada (sq in o in²) 6,4516 cm²
pé cadrado (sq ft o ft²) 929,0304 cm²
iarda cadrada (sq yd o yd²) 0,83612736 m²
acre (ac) 4.046,8564224 m²
milla cadrada (sq mi o mi²) 647.497,027584 m²
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MEDIDAS TRADICIONAIS GALEGAS
valor
Ferrado varía en cada zona629 m2 en Cambados
Cunca 1/12 ferrados
Cuartillo 1/24 ferradosmedia cunca
Fanega 2.203 m2
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aparellos
Regras, calibres, cintas métricas... para medir lonxitudes. Despois aplicamos a fórmula.Tamén se pode facer con programas informáticos.
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b x h
b x h2
x r2
l2
Formas regulares
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CadernoSuperficie da portada:31 x 22,5 = 697,5 cm2
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CaixaSuperficie da tapa:13,5 x 6 = 81 cm2
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DVDSuperficie :3,14 x 62 = 113,04 cm2
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BorradorSuperficie da parte superior:12 x 4 = 48 cm2
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EstoxoSuperficie lateral:22 x 12 = 264 cm2
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Carpeta:
38,8 x 24,6 = 856,08 cm2
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Cartabón:
174 cm2 – 32 cm2 = 142 cm2
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Baldosas: 33,3 x 33,3 = 1.108,89 cm2
Azulexo: 20x20: 400 cm2
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Pantalla da calculadora:6 x 2 = 12 cm2
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Papel
A3:1.239 cm2
A5:309,75 cm2
A4:619,5 cm2
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Formas irregularesdivídese en figuras regulares (xeralmente triángulos) e logo súmase.
169,8 cm2
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Campo de fútbolata 10.800 m2
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Campo de Rugbi:7.000 m2
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Terreos do Instituto: 1.102 ha SixPac
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INSTITUTO: pabillón
1041,05 m2
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INSTITUTO: pista deportiva: 750,77 m2
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115 m2
2418,60 m2
176,55 m2
2418,60 m2
131,99 m2
46,23 m2
Superficie total do instituto (planta baixa): 3450,15 m2
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INSTITUTO: planta baixa
78,93 m2
176,55 m2 288,42 m2
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INSTITUTO: ximnasio: 176,55 m2
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INSTITUTO: laboratorio: 78,93 m2
mesa do laboratorio: 2,7 m2
4,50 m
0,6 m
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INSTITUTO: primeira planta
55,93 m2
Total: 1.518,15 m2
94,76 m2
48,06 m2
26,19 m2
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INSTITUTO: aula: 55,93 m2
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INSTITUTO: segunda planta
Total: 861,89 m2
98,77 m2
57,77 m2
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INSTITUTO: mesa de alumno
0,35 m2
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Superficie da Terra: 510.101.000 km2
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O continente máis extenso do mundo: Asia: 44.000.000 km2
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O continente máis pequeno do mundo: Oceanía: 9.008.458 km2
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País máis extenso do mundo: Rusia con 17.098.242 km2
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O país máis pequeno do mundo: Vaticano: 0,44 km2
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O océano máis extenso do mundo: Pacífico: 165 700 000 km ²
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O lago máis extenso do mundo:
Mar Caspio (Azerbaiyán-Irán-Kazajistán-Rusia-Turkmenistán):
371.000 km2
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Departamento de Ciencias1º ESO A
xaneiro 2012
Manuel GonzálezCarlos ReyDiego Mariño