Elements of Geometry: Containing the First Six Books of Euclid: With a Supplement on the Quadrature of the Circle, and the Geometry of Solids: to which are Added, Elements of Plane and Spherical TrigonometryLippincott, Grambo & Company, 1854 - 317 pagine |
Dall'interno del libro
Risultati 1-5 di 40
Pagina 10
... four straight lines . 18. Multilateral figures , or polygons , by more than four straight lines . 19. Of three sided ... right angled triangle is that which has a right angle . 23. An obtuse angled triangle is that which has an obtuse angle .
... four straight lines . 18. Multilateral figures , or polygons , by more than four straight lines . 19. Of three sided ... right angled triangle is that which has a right angle . 23. An obtuse angled triangle is that which has an obtuse angle .
Pagina 11
... sides equal to one another , but all its sides are not equal , nor its angles right angles . 29. All other four sided figures besides these , are called trapeziums . 30. Parallel straight lines are such as are in the same plane , and ...
... sides equal to one another , but all its sides are not equal , nor its angles right angles . 29. All other four sided figures besides these , are called trapeziums . 30. Parallel straight lines are such as are in the same plane , and ...
Pagina 20
... right angles ; but the angles ABC , ABD are likewise together equal to two right angles : therefore the angles CBA ... four right angles . COR . 2. And hence , all the angles made by any number of straight lines meeting in one point ...
... right angles ; but the angles ABC , ABD are likewise together equal to two right angles : therefore the angles CBA ... four right angles . COR . 2. And hence , all the angles made by any number of straight lines meeting in one point ...
Pagina 28
... angles ; therefore AB is parallel ( 27. 1. ) to CD . Again , because the angles BGH , GHD are equal ( hyp . ) to two right ... four angles KGH , HGL , CHG , GHD are together equal to four right angles ( 13. 1. ) of which the two , KGH , CHG ...
... angles ; therefore AB is parallel ( 27. 1. ) to CD . Again , because the angles BGH , GHD are equal ( hyp . ) to two right ... four angles KGH , HGL , CHG , GHD are together equal to four right angles ( 13. 1. ) of which the two , KGH , CHG ...
Pagina 29
... right angles ; therefore the other two , HGL , GHD are greater than two right angles . Therefore , since KL and CD ... four acute angles BGH , AGE , GHC , DHF , are equal to each other . The same is the case with the four obtuse angles ...
... right angles ; therefore the other two , HGL , GHD are greater than two right angles . Therefore , since KL and CD ... four acute angles BGH , AGE , GHC , DHF , are equal to each other . The same is the case with the four obtuse angles ...
Altre edizioni - Visualizza tutto
Elements of Geometry: Containing the First Six Books of Euclid: With a ... John Playfair Visualizzazione completa - 1819 |
Elements of Geometry: Containing the First Six Books of Euclid : with a ... John Playfair Visualizzazione completa - 1837 |
Elements of Geometry: Containing the First Six Books of Euclid, with a ... John Playfair Visualizzazione completa - 1824 |
Parole e frasi comuni
ABC is equal ABCD adjacent angles altitude angle ABC angle ACB angle BAC base BC bisected centre chord circle ABC circumference cosine cylinder demonstrated described diameter divided draw equal and similar equal angles equiangular equilateral equilateral polygon equimultiples Euclid exterior angle fore four right angles given rectilineal given straight line greater Hence hypotenuse inscribed join less Let ABC Let the straight magnitudes meet multiple opposite angle parallel parallelogram parallelopiped perpendicular polygon prism PROB PROP proportional proposition quadrilateral radius ratio rectangle contained rectilineal figure remaining angle right angled triangle SCHOLIUM segment semicircle shewn side BC sine solid angle solid parallelopiped spherical angle spherical triangle square straight line BC THEOR touches the circle triangle ABC triangle DEF wherefore