Basic Geometry |
Contents
CHAPTER PAGE 1 REASONING THE NATURE OF PROOF | 9 |
THE FIVE FUNDAMENTAL PRINCIPLES | 38 |
THE SEVEN BASIC THEOREMS | 71 |
Copyright | |
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Common terms and phrases
altitude assumptions bisects called central angle Chapter chord circles are tangent circumference circumscribed common external tangents common internal construction converse coördinates Corollary decagon definition diagonals diameter directed angle distance divide draw drawn equal numbers equal to half equation equiangular polygon equidistant equilateral triangle EXERCISES figure Find the locus follows geometry given circle given line given point half-lines hypotenuse idea inches inscribed angle inscribed regular polygon isosceles length line segment Locus Theorem logical system means method mid-point number of sides parallelogram perimeter perpendicular bisector plane point in common Principle proof proportional proposition protractor Prove Pythagorean Theorem quadrilateral radical axis radii ratio rational numbers real numbers rectangle regular polygon respectively right angle right triangle secant shown in Fig similar triangles skew lines sphere square straight line straightedge and compasses tangent externally tion Triangle ABC Fig triangle are equal varies continuously vertex vertices