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How is trigonometry used in a surveyor's job?

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  • 1 decade ago
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    Trigonometry allows you to compute a distance or angle of a triangle when you know 2 angles and a side or 2 sides and an angle. So, for example, if you know a length of a straight line, and you know the angle from each end of that line to a third point, you can calculate the distance to that point. This allows finding the height of a mountain without going to the top of it, or a distance across a lake or canyon without crossing the lake or canyon.

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  • 1 decade ago

    Calculating unknown heights, slopes and distances of structures and landscapes using known coordinates, measured angles, and readings taken with the transit.

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  • 1 decade ago

    Duh!? A^2 + B^2 =C^2

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