Elements of Geometry and Plane Trigonometry: With an Appendix, and Copious Notes and IllustrationsA. Constable & Company, 1817 - 432 Seiten |
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Ergebnisse 1-5 von 83
Seite 14
... ED subtend . Schol . By applying this proposition to practice , the mu- tual distance may be found between two remote objects which have their communication obstructed . PROP . IV . PROB . At a point in 14 ELEMENTS OF GEOMETRY .
... ED subtend . Schol . By applying this proposition to practice , the mu- tual distance may be found between two remote objects which have their communication obstructed . PROP . IV . PROB . At a point in 14 ELEMENTS OF GEOMETRY .
Seite 15
... PROB . At a point in a straight line , to make an angle equal to a given angle . At the point D in the given straight line DE , to form an angle equal to the given angle BAC . In the sides AB and AC of the given angle , assume the ...
... PROB . At a point in a straight line , to make an angle equal to a given angle . At the point D in the given straight line DE , to form an angle equal to the given angle BAC . In the sides AB and AC of the given angle , assume the ...
Seite 16
... PROB . To bisect a given angle . Let ABC be an angle which it is required to bisect . In the side AB take any point D , and from BC cut off BE equal to BD ; join DE , on which construct ( I. 1. ) the isosceles triangle DFE , and draw ...
... PROB . To bisect a given angle . Let ABC be an angle which it is required to bisect . In the side AB take any point D , and from BC cut off BE equal to BD ; join DE , on which construct ( I. 1. ) the isosceles triangle DFE , and draw ...
Seite 17
... PROB . To let fall a perpendicular upon a straight line , from a given point above it . From the point C , to let fall a perpendicular upon the given straight line AB . In AB take towards A the point D , and with the distance DC ...
... PROB . To let fall a perpendicular upon a straight line , from a given point above it . From the point C , to let fall a perpendicular upon the given straight line AB . In AB take towards A the point D , and with the distance DC ...
Seite 18
... PROB . To bisect a given finite straight line . On the given straight line AB , construct two isosceles triangles ( I. 1. ) ACB and ADB , and join their vertices C and D by a straight line cutting AB in the point E : AB is bisected in E ...
... PROB . To bisect a given finite straight line . On the given straight line AB , construct two isosceles triangles ( I. 1. ) ACB and ADB , and join their vertices C and D by a straight line cutting AB in the point E : AB is bisected in E ...
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Elements of Geometry, and Plane Trigonometry: With an Appendix, and Very ... University Professor Emeritus John Leslie, Sir Keine Leseprobe verfügbar - 2016 |
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ABCD adjacent angle altitude angle ABC angle ADB angle BAC base AC bisect centre chord circle circumference consequently construction contained angle cosine decagon denote describe diameter difference distance diverging lines divided draw equal to BC equilateral triangle equivalent to twice evidently exterior angle given greater half Hence hypotenuse inscribed isosceles triangle join let fall likewise measure parallel perpendicular point G polygon PROB PROP Proposition quadrilateral figure quantities radius ratio rectangle rectangle contained rectilineal figure rhomboid right angles right-angled triangle Scholium segments semicircle semiperimeter sequently side AC sinB sine square of AB square of AC straight line tangent THEOR tion triangle ABC twice the rectangle twice the square vertex vertical angle whence Wherefore