CHAPTER 2GEOMETRIC CONSTRUCTIONOverviewIntroductionFamiliarity with the step-by-step methods used for constructing geometricfigures and knowing related definition of terms help you understand thepractical applications of geometric construction to problem solving. Simplified-or preferred methods of geometric construction, as well as alternate methods,are valuable knowledge factors when used with drafting instruments to createaccurate drawings. Geometric construction applies equally to computer-generated drawings as it does to more traditional instrumental drawings usingtriangles, compasses, protractors, and straightedges.ObjectivesThe material in this chapter enables you to do the following:Identify angles as acute, obtuse, complimentary, or supplemental.Inscribe and circumscribe geometric figures.Calculate the degrees in an angle of a regular polygon.Identify quadrilaterals.Bisect lines, angles, and circles.Create an ellipse using the trammel or foci method.Continued on next page2-1
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