Mechanical drawing. Elementary and advanced (1910)
Reid, John S. (John Simpson), 1856- · New York, J. Wiley & sons; [etc, etc.] · leaf 44
the centerof the circle, cutting the circumference in 3 and 4. Join A\,iC, C2, 2£t i?3, etc. Ffgb* U To Construct a Pentagon, the Side ABBEING GIVEN.—Produce AB. With B as center and BA asradius, describe arc AD2. With center A and same radius,describe an arc cutting the first arc in D. Bisect AB… … gon. Bisect it and draw a line perpendicular to it at thebisection. The perpendiculars from the sides AB and B2will cut in G. With G as center and radius GA describe acircle • it will contain the pentagon.