Dissections of a triangle to an arithmetic series of polygons

Author : Gavin Theobald

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{3} Triangle
{3}+{4} Triangle + Square
{3}+{4}+{5} Triangle + Square + Pentagon
{3}+{4}+{5}+{6} Triangle + Square + Pentagon + Hexagon
{3}+{4}+{5}+{6}+{7}  Triangle + Square + Pentagon + Hexagon + Heptagon


Triangle Triangle + Square Triangle + Square + Pentagon Triangle + Square + Pentagon + Hexagon Triangle + Square + Pentagon + Hexagon + Heptagon

Triangle — Triangle (1 piece)

Triangle — Triangle + Square (5 pieces)

Triangle — Triangle + Square + Pentagon (9 pieces)

Triangle — Triangle + Square + Pentagon + Hexagon (13 pieces)

Triangle — Triangle + Square + Pentagon + Hexagon + Heptagon (21 pieces)

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