Elements of Geometry and Plane Trigonometry: With an Appendix, and Copious Notes and IllustrationsA. Constable & Company, 1817 - 432 Seiten |
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Seite 14
... Let ABC and DEF be two triangles , of which the side AB is equal to DE , the side BC to EF , and the angle ABC contained by the former equal to DEF which is contained by the latter These triangles are equal . : For let ... fall upon D , E B ...
... Let ABC and DEF be two triangles , of which the side AB is equal to DE , the side BC to EF , and the angle ABC contained by the former equal to DEF which is contained by the latter These triangles are equal . : For let ... fall upon D , E B ...
Seite 17
... 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 describe a circle ...
... 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 describe a circle ...
Seite 25
... let fall from the same point C upon a given straight line AB ; and hence also a pair only of equal straight lines greater than CD can at once be extended from C to AB , making on the same side , the one an obtuse angle CEA , and the ...
... let fall from the same point C upon a given straight line AB ; and hence also a pair only of equal straight lines greater than CD can at once be extended from C to AB , making on the same side , the one an obtuse angle CEA , and the ...
Seite 28
... fall upon the corresponding vertex E. The two triangles ABC and DEF , thus mu- tually adapting , are hence entirely equal . B ДА Next , let the equal sides be AB and DE , which are op - ` posite to the equal angles BCA and EFD . The ...
... fall upon the corresponding vertex E. The two triangles ABC and DEF , thus mu- tually adapting , are hence entirely equal . B ДА Next , let the equal sides be AB and DE , which are op - ` posite to the equal angles BCA and EFD . The ...
Seite 30
... fall upon two parallel straight lines , it will make the alternate angles equal , the exterior angle equal to the interior opposite one , and the two interior angles on the same side to- gether equal to two right angles . Let the ...
... fall upon two parallel straight lines , it will make the alternate angles equal , the exterior angle equal to the interior opposite one , and the two interior angles on the same side to- gether equal to two right angles . Let the ...
Inhalt
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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 |
Häufige Begriffe und Wortgruppen
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