Elements of GeometryGinn, Heath & Company, 1884 |
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Σελίδα 3
... called Plane Surfaces . The sharp edge in which any two of these surfaces meet is called a Line . The place at which any three of these lines meet is called a Point . If now the block be removed , we may think of the place occupied by ...
... called Plane Surfaces . The sharp edge in which any two of these surfaces meet is called a Line . The place at which any three of these lines meet is called a Point . If now the block be removed , we may think of the place occupied by ...
Σελίδα 4
... called Length , Breadth , and Thickness . 2. DEF . A Point has position without extension . 3. DEF . A Line has only one of the dimensions of exten- sion , namely , length . The lines which we draw are only imperfect representations of ...
... called Length , Breadth , and Thickness . 2. DEF . A Point has position without extension . 3. DEF . A Line has only one of the dimensions of exten- sion , namely , length . The lines which we draw are only imperfect representations of ...
Σελίδα 5
... called Magnitude . When reference is had to extent , lines , surfaces , and solids are called magnitudes . 8. DEF . A Straight line is a line which has the same direction throughout its whole extent . 9. DEF . A Curved line is a line ...
... called Magnitude . When reference is had to extent , lines , surfaces , and solids are called magnitudes . 8. DEF . A Straight line is a line which has the same direction throughout its whole extent . 9. DEF . A Curved line is a line ...
Σελίδα 6
... called rectilinear figures ; those formed by curved lines are called curvilinear fig- ures ; and those formed by straight and curved lines are called mixtilinear figures . 17. DEF . Figures which have the same form are called Similar ...
... called rectilinear figures ; those formed by curved lines are called curvilinear fig- ures ; and those formed by straight and curved lines are called mixtilinear figures . 17. DEF . Figures which have the same form are called Similar ...
Σελίδα 7
... called a multiple of the given line . Thus , if A B = BC = C D , etc. , D E , then A C = 2 A B , AD 3A B , etc. A B C + + + It must also be possible to divide a given straight line into an assigned number of equal parts . For , assumed ...
... called a multiple of the given line . Thus , if A B = BC = C D , etc. , D E , then A C = 2 A B , AD 3A B , etc. A B C + + + It must also be possible to divide a given straight line into an assigned number of equal parts . For , assumed ...
Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
A B C AABC ABCD adjacent angles alt.-int altitude apothem arc A B bisect centre circumference circumscribed coincide COROLLARY describe an arc diagonals diameter divided Draw equal arcs equal distances equal respectively equiangular polygon equilateral equilateral polygon equivalent exterior angles figure given line given point given polygon greater homologous sides hypotenuse isosceles triangle Let A B Let ABC limit line A B Mailing price measured by arc middle point number of sides parallelogram perimeter perpendicular PHILLIPS EXETER ACADEMY plane PROBLEM prove Q. E. D. PROPOSITION quadrilateral radii radius equal ratio rect rectangles regular inscribed regular polygon required to construct rhombus right angles right triangle SCHOLIUM segment sides of equal sides of similar similar polygons subtend tangent THEOREM third side triangle ABC vertex vertices Wentworth