Summary, ContinuedReviewThis chapter begins with basic definitions of geometric figures. Explanationsin the terminology and construction of two-dimensional figures such as lines,points, angles, triangles, quadrilaterals, and polygons form the foundation tounderstanding more the advanced geometric constructions of polyhedrons andsolids. Bisection, division, transference, and tangency are all problemsolving techniques that help you in advanced drafting situations. Polygonal,ellipse, and involute construction techniques should help to simplifygeometric figure construction.CommentsGeometric Construction is all about definitions. If you do not know thedefinitions in this chapter, study this chapter carefully and understand theterminology before you proceed into other chapters.Once past the definitions, actual construction of geometric figures are simply,logically, and mathematically solvable. Geometric figure constructionexercises your abilities to mentally solve problems and physically usedrafting instruments to draw the solutions to problems on paper in auniversally understood graphic language.Geometric constructions are equally valid concepts whether you are drawingin pencil on paper or sitting at a computer drawing on a monitor screen.2-57
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