Which symbol marks a triangulation survey?

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Multiple Choice

Which symbol marks a triangulation survey?

Triangulation relies on a network of triangles to fix positions over large areas, so maps mark those control points with a concise label that signals this method. The abbreviation Tri is used to denote triangulation, making it clear to a reader that the point belongs to the triangulation network. It’s chosen for its clarity and consistency across mapping standards, so anyone interpreting the map immediately recognizes triangulation points. The other symbols don’t carry that standard meaning for triangulation, so they wouldn’t correctly identify a triangulation survey point.

Triangulation relies on a network of triangles to fix positions over large areas, so maps mark those control points with a concise label that signals this method. The abbreviation Tri is used to denote triangulation, making it clear to a reader that the point belongs to the triangulation network. It’s chosen for its clarity and consistency across mapping standards, so anyone interpreting the map immediately recognizes triangulation points. The other symbols don’t carry that standard meaning for triangulation, so they wouldn’t correctly identify a triangulation survey point.

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