{'radius': [0, 0, 2, 2], 'circle': [0, 0, 2, 1], 'square': [0, 0, 0, 1], 'root2 units': [0, 0, 1, 0], 'shaded portion': [0, 1, 0, 0], 'area': [0, 0, 0, 1], 'units': [1, 2, 4, 7], 'figure': [0, 1, 1, 0]}