## The Geometrician: Containing Essays on Plane Geometry, and Trigonometry: with Their Application to the Solutions of a Variety of Problems ... |

### Other editions - View all

The Geometrician: Containing Essays On Plane Geometry, and Trigonometry ... Benjamin Donne No preview available - 2023 |

The Geometrician: Containing Essays on Plane Geometry, and Trigonometry ... Benjamin Donne No preview available - 2018 |

The Geometrician: Containing Essays On Plane Geometry, and Trigonometry ... Benjamin Donne No preview available - 2023 |

### Common terms and phrases

ABCD affirmative alſo Altitude anſwering Bafe Barometer Baſe becauſe biſect Cafe Center Characteriſtick Chord Circle Circumference Cofine Compaſſes conſequently Conſtruction contained COROLLARY Courſe decimal Degrees DEMONSTRATION deſcribe deſcribe the Arc Diameter Diſtance divided draw Effay equal equiangular Equimultiples Eſſay Euclid Example faid fame Ratio Feet fimilar firſt fubtract Geometry given Line greater Hence Hypothenuſe interfect join laſt leſs Logarithm Magnitudes manifeſt meaſure moſt muſt neceſſary Number obſerved oppoſite Parallelogram Perpendicular Pleaſure Point Polygon PROBLEM Proportionals Propoſition Radius Reaſon Rectangle rectilineal Figure repreſented Reſpects right Angle right Line ſaid ſame ſaying Scale SCHOLIUM ſecond Segment Semicircle ſet ſhall ſhew ſhewn Sides Sines ſome Square ſtand ſuch ſuppoſe Suppoſition Tangent THEOREM theſe thoſe Triangle Trigono Trigonometry Uſe whoſe

### Popular passages

Page 31 - The lines do not run in a uniform direction from the left to the right, or from the right to the left...

Page 108 - AB, remains the same as it was : Nor is it part of the length of the line AB ; for, if AB be removed from the line KB, the point B, which is the extremity of the line KB, does...

Page 121 - If a point be taken within a circle, from which there fall more than two equal straight lines to the circumference, that point is the centre of the circle. Let...

Page 15 - If two triangles have one angle of the one equal to one angle of the other, and the sides about the equal angles proportionals, the triangles shall be equiangular, and shall have those angles equal which are opposite to the homologous sides.

Page 43 - ... magnitude. For example, if A, B, C, D be four magnitudes of the same kind, the first A is said to have to the last D the ratio compounded of the ratio of A to B, and of the ratio of B to C, and of the ratio of C to D; or, the ratio of A to D is said to be compounded of the ratios of A to B, B to C, and C to D. And if...

Page 107 - It is necessary to consider a solid, that is, a magnitude which has length, breadth, and thickness, in order to understand aright the definitions of a point, line and superficies ; for these all arise from a solid, and exist in it ; The boundary, or boundaries which contain a solid, are called superficies, or the boundary which is common to two solids which are contiguous, or which divides one solid into two contiguous parts, is called a superficies...

Page 43 - When three magnitudes are proportionals, the first is said to have to the third the duplicate ratio of that which it has to the second.

Page 64 - ... is supposed to be divided into 60 equal parts, called minutes; and each minute into 60 equal parts, called seconds. Degrees, minutes, and seconds, are designated respectively, by the characters ° ' ". For example, ten degrees, eighteen minutes, and fourteen seconds, would be written 10° 18

Page 18 - If two triangles have two sides of the one equal to two sides of the...

Page 108 - KBCL which is contiguous to it, this boundary BC is called a line, and has no breadth : For if it have any, this...