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 64
0 B Fig. 106. Problem 48, In a given circle to inscribe a regular undecagon. Draw the two diameters AB and CD cutting each other in E. With A as centre, and AEas radius, draw an arc cuttingthe circle in H. With D as centre,and DE as radius, draw an arccutting the circle in F. With Fas centre, and… … CHAPTEE IV INSCEIBED AND DESCKIBED FIGURES Problem 49. To inscribe an equilateral triangle in a given cirele ABC. Pind the centre E (Prob. 33), and draw the diameterDC. With D as centre, and DE as radius, mark off the pointsA and B on the circumference of the circle. Join AB, BC,and CA. Then ABC…
Geometrical drawing
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