ical. From thecentre erect a perpendicular, which shallmeet the circumference at D. At eachside of this point divide the circumfer-ence into five equal parts, and connectevery two of them from D to E, from EA, and from D to C, C to B. Now con-nect A and B and the pentagon is formed. Problem VII. On… … Problem VIII. To form an octagon,or eight-sided figure. Refer back to Fig. 5. Draw the ra-dius I, E, tiU it meets the circumferenceat E. Join the points E, A, and E, 13.Repeat this at each of the four sides,and the octagon iis formed. Problem IX. To form a decagon, orten-aided figure. Refer to Fig.…
Architecture
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