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Aprendamos a determinar lados de una figura real por medio de un modelo a escala

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La torre Eiffel\u200b (tour Eiffel, en francés), inicialmente llamada tour de ___________ metros , es una estructura de hierro pudelado diseñada por los ingenieros Maurice Koechlin y Émile Nouguier, dotada de su aspecto definitivo por el arquitecto Stephen Sauvestre y construida por el ingeniero francés Alexandre Gustave Eiffel y sus colaboradores para la Exposición Universal de 1889 en París.

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Situada en el extremo del Campo de Marte a la orilla del río Sena, este monumento parisino, símbolo de Francia y de su capital, es la estructura más alta de la ciudad y el monumento que cobra entrada más visitado del mundo, con 7,1 millones de turistas cada año.\u200b Con una altura de _________ metros, prolongada más tarde con una antena hasta los 324 metros, la torre Eiffel fue la estructura más elevada del mundo durante 41 años.

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Lo anterior, lo podemos modelar por medio de Geogebra, de la siguiente manera:

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Para determinar la altura primero debemos construir las siguiente proporción, por medio de las siguientes razones:

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Observación: La incógnita a buscar será $x$ en el problema.

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$\\frac{\\text{Base de la Torre Eiffel}}{\\text{Base de la foto}}$$=$$\\frac{\\text{Altura de la Torre Eiffel}}{\\text{Altura de la foto}}$

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[[0]]    [[3]]

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------------ $=$ ------------

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[[2]]    [[1]]

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Pero la base de la torre esta en metros y las medidas de la foto en centímetros, pero recordemos que 1 mt = [[5]] cm, obteniendo la ecuación:

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[[6]]    [[3]]

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------------ $=$ ------------

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[[2]]    [[1]]

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Para despejar $x$ podemos ver que la Altura del Bastón divide a $x$, entonces pasaría a multiplicar la longitud de la sombra de Keops, obteniendo la expresión:

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[[6]] $\\cdot$ [[1]]   

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---------------------------- $=$  [[3]]

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             [[2]]

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Obteniendo que la altura de Keops es igual a: [[4]] metros

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