Arch Small 320×92 Medium 640×183 Large 1024×293 Download TIFF Original 3000×859 | (66.6 KB) Description Tangrams, invented by the Chinese, are used to develop geometric thinking and spatial sense. Seven figures consisting of triangles, squares, and parallelograms are used to construct the given shape. This tangram depicts an arch. Keywords arch, Chinese puzzle, geometric figures, geometrical pieces, geometry, parallelogram, parallelograms, polygon, polygons, problem solving, problem-solving, puzzles, quadrilateral, quadrilaterals, shape, shapes, square, squares, tangram, tangrams, triangle, triangles Galleries Tangram Outline Solutions Source: Florida Center for Instructional Technology Clipart ETC (Tampa, FL: University of South Florida, 2009)