Practical plane and solid geometry for advanced students, including graphic statics, adapted to the requirements of the South Kensington syllabus (1899)
Harrison, Joseph, Baxandall, George Albert · London Macmillan · leaf 42
w In \ m\ im L \ I … Thus the polygons PQRS and pqrs which satisfy this condition aresimilar, and the following relations hold :— PQ_ Q£_#s_sp_qp_ OQ _ OR _ OS pq qr rs sp Op Oq~ 0r~~ Os The point O is called the pole. The student will find many illustrations of this theorem. Thus inthe figure of Art. 6 the pole is…
