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 490
a square ; join A to one corner P of this square,and meeting BC in R. In the corresponding side be obtain r such thatbr:rc = BR:RC. Join ar and produce to p such thatar : rp = AR: RF. Join bp and draw cq, pq parallel to bp, be. Then beqp is the plan of the square attached to BC\ thetriangle ABC and…