31. Given any parallelogram, construct on its sides four squares external to the parallelogram . 32. At its rear trunk lid, the 500C features " parallelogram " liftgate hinges. 33. In 1954 the model had parallelogram fingerboard inlays and a vertical oval peghead inlay. 34. Each pier is more or less a parallelogram . 35. Exact analogs of the Pythagorean theorem and parallelogram law hold in a Hilbert space. 36. The bound fingerboard is rosewood with parallelogram markers. 37. Filter banks in which the filters have parallelogram support are also of some importance. 38. The building was radical in its design; a parallelogram topped with an inverted parasol. 39. The quadrilateral ABCD forms a parallelogram by construction ( as opposite sides are parallel ). 40. Using a parallelogram to add the forces acting on a particle on a smooth slope.
