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 74
Pkoblem 72. In a given equilateral triangle ABC, to inscribe three equal circlestouching each other and one side of the triangle only. Bisect two sides of the triangle by lines intersecting eachother at the point D (Prob. 1). Join CD and produce itto E. Bisect the angle DBF by a line cutting CE in… … 54 PRACTICAL PLANE GEOMETRY chap. Problem 73.In a given equilateral triangle ABC, to inscribe six equal circlestouching each other and one side of the triangle only.Having drawn the three circles according to the last problem,draw lines through G and H, parallel to the sides of the tri-angle, till…
Geometrical drawing
Internet Archive · Wellesley College Library · Public Domain Mark 1.0. Free to use for anything.
