A source book of problems for geometry, based upon industrial design and architectural ornament (1912)
Sykes, Mabel, 1868-, Slaught, H. E. (Herbert Ellsworth), 1861-1937, Lennes, N. J. (Nels Johann), 1874- · Boston, Allyn and Bacon · leaf 246
hrough a given point. See Fig. 2096. Solution. — Let EBA be the given angle and C the given point.Draw OB the bisector of the angle. Draw CD so that OB is the per-pendicular bisector of CD. Construct a circle passing through pointsC and D and tangent to AB. Prove that 0 and 0 are the… … (3) The main problem. — To construct a circle tangent to the sidesof angle EBA and tangent to circle 0. Solution. —Drav! AB and EC parallel to the sides of ^ ABE,and at a distance from them equal to the radius of circle O. Con-struct circle 0 tangent to AB and EC, and passing through point0. The…
Geometry · Decoration and ornament
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