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Trigonometry 19 Online
OpenStudy (anonymous):

Uma Escada de 12 metros de está apoiada na parte mais alta de um muro, formando com ele um Ângulo de 60º.Determine a altura aproximada desse Muro.

Directrix (directrix):

A ladder 12 feet rests on the highest part of a wall, forming with it a 60 º angle. Determine the approximate height of this wall.

Directrix (directrix):

We will use trigonometry of right triangles. Usaremos trigonometria de triângulos retângulos. |dw:1387527909122:dw|

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