Parallelogram With Diagonals Small 320×145 Medium 640×290 Large 1024×463 Download Tiff Original 2400×1086 | (121.8 KB) Description Illustration of a parallelogram with diagonals AC and BD intersecting at point O. Keywords diagonal, geometry, intersecting diagonals, parallelogram, parallelograms, polygon, polygons, quadrilateral, quadrilaterals Galleries Quadrilaterals Source: C.A. Hart, Daniel D. Feldman Plane and Solid Geometry (New York, NY: American Book Company, 1911)
