Elementary Synthetic Geometry of the Point, Line and Circle in the PlaneElementary Synthetic Geometry of the Point, Line and Circle in the Plane by Nathan Fellowes Dupuis, first published in 1889, is a rare manuscript, the original residing in one of the great libraries of the world. This book is a reproduction of that original, which has been scanned and cleaned by state-of-the-art publishing tools for better readability and enhanced appreciation. Restoration Editors' mission is to bring long out of print manuscripts back to life. Some smudges, annotations or unclear text may still exist, due to permanent damage to the original work. We believe the literary significance of the text justifies offering this reproduction, allowing a new generation to appreciate it. |
From inside the book
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Page 4
... meet . 4. Every point equidistant from the end - points of a line- segment is on the right bisector of that segment . SECTION I. THE LINE AND POINT . 9. Space may be defined to be that which admits of length or distance in every ...
... meet . 4. Every point equidistant from the end - points of a line- segment is on the right bisector of that segment . SECTION I. THE LINE AND POINT . 9. Space may be defined to be that which admits of length or distance in every ...
Page 15
... meet is the vertex . Cor . From 31 ° , 2 , an angle does not in any way depend upon the lengths of its arms , but only upon their relative directions . 33 ° . Notation of Angles . - 1 . The symbol is used for the word " angle . " 2 ...
... meet is the vertex . Cor . From 31 ° , 2 , an angle does not in any way depend upon the lengths of its arms , but only upon their relative directions . 33 ° . Notation of Angles . - 1 . The symbol is used for the word " angle . " 2 ...
Page 17
... meet in a point , the sum of all the adjacent angles formed is a circumangle . OA , OB , OC , ... , OF are lines meeting in O. Then LAOB + LBOC + 4COD + ... + LFOA = a circumangle . D Proof . - A radius vector which starts from ...
... meet in a point , the sum of all the adjacent angles formed is a circumangle . OA , OB , OC , ... , OF are lines meeting in O. Then LAOB + LBOC + 4COD + ... + LFOA = a circumangle . D Proof . - A radius vector which starts from ...
Page 31
... passing through the point— 1. The perpendicular to the line is the shortest . 2. Of any two segments the one which meets the line further from the perpendicular is the longer ; and con- THREE OR MORE POINTS AND LINES . 31.
... passing through the point— 1. The perpendicular to the line is the shortest . 2. Of any two segments the one which meets the line further from the perpendicular is the longer ; and con- THREE OR MORE POINTS AND LINES . 31.
Page 32
... meets the line further from the perpendicular than the shorter does . 3. Two , and only two segments can be equal , and they lie upon opposite sides of the perpendicular . P P is any point and BC a line not pass- ing through it , and PA ...
... meets the line further from the perpendicular than the shorter does . 3. Two , and only two segments can be equal , and they lie upon opposite sides of the perpendicular . P P is any point and BC a line not pass- ing through it , and PA ...
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Common terms and phrases
A. W. VERRALL ABCD algebraic altitude Assistant Master bisects BOOK Cambridge centre of similitude centre-line circles touch circumcircle co-axal coincide collinear common concurrent concurrent lines concyclic congruent cuts denote diagonals diameter divided Edited ELEMENTARY end-points equal angles equianharmonic equilateral triangle excircles EXERCISES external bisector FASNACHT Fcap fixed point G. E. FASNACHT geometric given circles given line given point GREEK harmonic range Hence HISTORY homographic Illustrated inverse points ISAAC TODHUNTER isosceles LAOB line-segment LL.D Mathematical median middle point orthogonally Owens College pair parallel parallelogram passes pencil perpendicular plane point of contact point of intersection Prof Professor Proof quadrangle radical axis radius rectangle regular polygon respect revised right angle right bisector rotation School secant Similarly square straight angle symbol tangent theorem Theorem.-The three circles Translated Trinity College vertex vertices
Popular passages
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References to this book
The Classification of Quadrilaterals: A Study of Definition Zalman Usiskin,Jennifer Griffin,David Witonsky,Edwin Willmore No preview available - 2008 |
The Classification of Quadrilaterals: A Study of Definition Zalman Usiskin,Jennifer Griffin,David Witonsky,Edwin Willmore No preview available - 2008 |