Science and art drawing : complete geometrical course ; consisting of plane and solid geometry, orthographic and isometric projection, projection of shadow's the principles of map projection, graphic arithmetic and graphic statics (1895)
Spanton, J. Humphrey (John Humphrey) · London : Macmillan · leaf 131
n each other in the points A, 1, 2,3, 4, and 5, which will divide the area of the circle as required. Peoblem 154.To construct a triangle eqiicd in area to a given circle ABC. Draw any radius AD (Fig. 237), and make AE perpen-dicular to it (Prob. 7), and equal to the circumference of thecircle in… … Fig. 238. Peoblem 155.To construct a jparallclogram equal in area to a given circle.Divide the given circle (Fig. 238) into any number of equal IX PROPORTIONAL AND EQUIVALENT AREAS in triangles by drawing radii, say 16, Draw ABC to represent oneof these triangles. Produce AC to D, and make AD eight…
Geometrical drawing
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