Pie chart. Graphic icon of wheel for cycle process. Piece of pie chart for progress, statistics and analysis. Circle graph with section from 1 to 11. 6, 5, 3 infographic part in round diagram. Vector.. Pie chart. Graphic icon of wheel for cycle process. Piece of pie chart for progress, statistics and analysis. Circle graph with section from 1 to 11. 6, 5, 3 infographic part in round diagram. Vector