512x512pxhexagon shape illustration, regular polygon diagram, black and white geometric art, internal angles of hexagon, geometric line art design, simple geometric shapes, polygonal figure analysis
688x672pxheptagon angle, octagon polygon, black and white line art, regular polygon, geometric shape illustration, monochrome graphic, convex heptagon diagram
768x768pxDecagon, regular polygon, two-dimensional geometry, black and white art, geometric shapes illustration, symmetry in math diagrams, polygonal artwork elements
2785x2525pxgolden angle circle, regular polygon geometry, red circle diagram, geometric shape illustration, circle circumference measurement, mathematical line art, educational geometry visuals
800x800pxRegular octagon shape, equiangular polygon, black and white geometry, internal angle diagram, geometric symmetry illustration, polygonal structure design, monochrome line art
