## 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 TrigonometryW. E. Dean, 1851 - 317 sider |

### Inni boken

Resultat 1-5 av 100

Side 8

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**angle**is the inclination of two straight lines to one another , which meet together , but are not in the same ...**ABC**, or CBA ; that which is contained by AB , * The definitions marked with inverted commas are different from those of ... Side 13

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**angle ABC**to the triangle DEF ; and the other an- gles , to which the equal sides are opposite , shall be equal , each to each , B A E D F viz . the**angle ABC**to the angle DEF , and the angle ACB to DFE . For , if the**triangle ABC**be ... Side 14

... ABC be an isosceles triangle , of which the side AB is equal to AC , and let the straight lines AB , AC be produced to D and E , the

... ABC be an isosceles triangle , of which the side AB is equal to AC , and let the straight lines AB , AC be produced to D and E , the

**angle ABC**shall be equal to the angle ACB , and the angle CBD to the angle BCE . In BD take any point F ... Side 15

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**triangle ABC**: And it has also been proved that the angle FBC is equal to the angle GCB , which are the angles upon the other side of the base . COROLLARY . Hence every equilateral triangle is also equiangular PROP . VI . THEOR . If two ... Side 16

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**angle**which is contain- ed by the two sides of the one shall be equal to the**angle**contained by the two sides of the other . Let**ABC**, DEF be two triangles having the two sides AB , AC , equal to the two sides DE , DF , each to each ...### Andre utgaver - Vis alle

Elements of Geometry: Containing the First Six Books of Euclid, with a ... Euclid,John Playfair Uten tilgangsbegrensning - 1853 |

Elements of Geometry: Containing the First Six Books of Euclid, with a ... John Playfair Uten tilgangsbegrensning - 1857 |

Elements of Geometry: Containing the First Six Books of Euclid, with a ... John Playfair Uten tilgangsbegrensning - 1836 |

### Vanlige uttrykk og setninger

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