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A technical drawing on a grid with a large equilateral triangle, concentric and overlapping circles, and erased line segments.

A technical drawing on a grid with a large equilateral triangle, concentric and overlapping circles, and erased line segments.
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"Show full image on sheet". Plot on a sheet 34 x 33 with just lines, an equilateral triangle with vertices at 0,0 16,0 8,13.86. Add to plot circles of radii 6 and 4 with centers on all the triangle vertices. Add to plot circles with radii of 4 and 3, with the center on the centroid, divided into 60 degree sections, with a "vertical" axis. Erase line segment (5, 8.66 8, 13.36), Erase line segment (11, 8.66 8, 13.36), Erase arc segment (5, 8.66 11, 8.66). Erase line segment (0,0 3, 5.2). See more

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