Percival, A. S. (Archibald Stanley), 1862- · London, New York [etc.] Longmans, Green and co. · leaf 29
onds exactly with the squareunder the further half of the box, by producing 4 a to G.L. partof another square beyond the box is represented. As it is frequently necessary to enclose oblique rectangles indirect rectangles, ouch as PQRS, it is well to carefully study Fig. 9.It will be noted that P6 =… … Should it be required to enclose an oblique square in a directsquare, the procedure is still simpler, as will be seen from Fig. 12,where H may coincide with M or N according to the positionthat the inscribed square occupies. In Fig. 12 the corner h is nearthe left side of the enclosing square, but…
Perspective
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