Elements of Geometry and Plane Trigonometry: With an Appendix, and Copious Notes and IllustrationsA. Constable & Company, 1817 - 432 Seiten |
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Seite 41
... quadrilateral figure ABCD is the square required . D B For , by this construction , the figure has all its sides e- qual , and one of its angles ABC a right angle ; which com- prehends the whole of the definition of a square . PROP ...
... quadrilateral figure ABCD is the square required . D B For , by this construction , the figure has all its sides e- qual , and one of its angles ABC a right angle ; which com- prehends the whole of the definition of a square . PROP ...
Seite 44
... rectangle is said to be contained by any two adjacent sidés . A rhomboid is ... figures CE and AF are parallelograms . Wherefore EB , being equal to AC ( I ... quadrilateral space AEFC , and there remains the rhom- boid AEBC equivalent ...
... rectangle is said to be contained by any two adjacent sidés . A rhomboid is ... figures CE and AF are parallelograms . Wherefore EB , being equal to AC ( I ... quadrilateral space AEFC , and there remains the rhom- boid AEBC equivalent ...
Seite 47
... figure : Join CF. Again , join the alter- nate points C , E , and through the intermediate point D draw the parallel ... quadrilateral fi- gure FCDE equivalent to the five - sided figure ABCDE . Again , because the triangles CDE and CGE ...
... figure : Join CF. Again , join the alter- nate points C , E , and through the intermediate point D draw the parallel ... quadrilateral fi- gure FCDE equivalent to the five - sided figure ABCDE . Again , because the triangles CDE and CGE ...
Seite 87
... quadrilateral figure contained within a circle , are together equal to two right angles . Let ABCD be a quadrilateral figure described in a cir- cle ; the angles A and C are together equal to two right angles , and so are those at B and ...
... quadrilateral figure contained within a circle , are together equal to two right angles . Let ABCD be a quadrilateral figure described in a cir- cle ; the angles A and C are together equal to two right angles , and so are those at B and ...
Seite 98
... figure . Let the rectilineal figure be reduced by Proposition 6 . Book II . to an equivalent rectangle , of which A ... quadrilateral figure may have a circle describ- ed about it , if the rectangles under the segments made by the ...
... figure . Let the rectilineal figure be reduced by Proposition 6 . Book II . to an equivalent rectangle , of which A ... quadrilateral figure may have a circle describ- ed about it , if the rectangles under the segments made by the ...
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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