Answer: triangulated

AnswerCrossword Clue
triangulatedDetermine (a height, distance, or location) in this way
triangulatedDivide (an area) into triangles for surveying purposes
triangulatedForm into a triangle or triangles
triangulatedTRIANGULATE, to survey, map, or determine by triangulation
triangulatedMeasure and map (an area) by the use of triangles with a known base length and base angles