Hart, C. A. (Clara Avis), b. 1863, Feldman, Daniel D., b. 1872 · New York, American Book Co · leaf 261
in one segment is five times an angle inscribed in the other. Ex. 973. Circumscribe an equilateral triangle about a circle. Ex. 974. Circumscribe a regular hexagon about a circle. Ex. 975. On a given line as one side, construct a regular hexagon. Ex. 976. On a given line as one side, construct a… … 4> 1 y R J—/ X Fig. 1. Given circle 0, To inscribe in circle 0 a regular decagon. Fia. 2. BOOK V 251 I. Construction 1. Divide a radius R, of circle 0, in extreme and mean ratio.§ 465. (See Fig. 2.) 2. In circle^ O draw a chord AB, equal to s, the greater seg-ment of R. 3. AB is a side of the…
Geometry, Plane · Geometry, Solid
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