Euclid's elements of geometry, Volum 1Рипол Классик, 1731 The first book of euclid with explanatory remarks by Francis Young. |
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Side iii
... forming definite rules , by which we are enabled to test the truth of any proposition in Theoretical Geometry by mathematical reasoning , and construct or build up , by the use of rule and compasses , various forms and figures in ...
... forming definite rules , by which we are enabled to test the truth of any proposition in Theoretical Geometry by mathematical reasoning , and construct or build up , by the use of rule and compasses , various forms and figures in ...
Side 7
... formed by straight lines , derived from the Latin adjective RECTUS , straight , and the noun LINEA , a line . To form a correct idea of what an angle is , suppose AB and CD to be two very narrow strips of paper , fastened together by A ...
... formed by straight lines , derived from the Latin adjective RECTUS , straight , and the noun LINEA , a line . To form a correct idea of what an angle is , suppose AB and CD to be two very narrow strips of paper , fastened together by A ...
Side 8
... formed by the inclination of the straight lines AB CB to each other , is greater than the inclination of the straight lines AB DB , forming the right angle ABD . XII . An ACUTE ANGLE is that which is less than a right angle . ACUTE ...
... formed by the inclination of the straight lines AB CB to each other , is greater than the inclination of the straight lines AB DB , forming the right angle ABD . XII . An ACUTE ANGLE is that which is less than a right angle . ACUTE ...
Side 10
... formed by the straight lines AB , CD , EF , and the parts of the circumference lying on either side of them , B. Rectilineal Figures . ' Def . XX – XXXIV . XX . RECTILINEAL FIGURES are those which are contained by straight lines . XXI ...
... formed by the straight lines AB , CD , EF , and the parts of the circumference lying on either side of them , B. Rectilineal Figures . ' Def . XX – XXXIV . XX . RECTILINEAL FIGURES are those which are contained by straight lines . XXI ...
Side 12
... formed by placing two equilateral triangles of the same size together , base to vase . XXXIII . A RHOMBOID has its opposite sides equal to each other , but all its sides are not equal , nor its angles right angles . RHOMBOID means ...
... formed by placing two equilateral triangles of the same size together , base to vase . XXXIII . A RHOMBOID has its opposite sides equal to each other , but all its sides are not equal , nor its angles right angles . RHOMBOID means ...
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Vanlige uttrykk og setninger
ABC is equal angle ABC angle ACB angle AGH angle BAC angle BCD angle EDF angles CBA angles equal applied Axiom base BC Book called centre circle coincide common CONCLUSION CONCLUSION.-Therefore Construction CONSTRUCTION.-1 contained Definition Demonstration DEMONSTRATION.-1 derived diameter distance divide draw drawn Enunciation equal sides equal to AC equilateral triangle exterior angle extremity figure formed Geometry given point given rectilineal angle given straight line greater Hypothesis impossible Join length less meaning meet opposite angle opposite sides parallel parallel straight lines parallel to CD parallelogram position Postulate produced pronounced Proof Prop PROPOSITION proved reasoning rectilineal figure remaining angle right angles SEQUENCE SEQUENCE.-The shew shewn side BC sides sides equal square superficies surface Take term thing third angle tion triangle ABC Wherefore whole