Euclid's Elements of Geometry: From the Latin Translation of Commandine. To which is Added, a Treatise of the Nature and Arithmetic of Logarithms; Likewise Another of the Elements of Plane and Spherical Trigonometry; with a Preface, Shewing the Usefulness and Excellency of this WorkW. Strahan, 1772 - 399 Seiten |
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Seite 11
... ones , then the Angle is called a Right - lined Angle . X. When one Right Line , standing on another Right Line , makes Angles on either Side there- B of , 1 of , equal between themselves , each of these equal EUCLI D's ELEMENTS. ...
... ones , then the Angle is called a Right - lined Angle . X. When one Right Line , standing on another Right Line , makes Angles on either Side there- B of , 1 of , equal between themselves , each of these equal EUCLI D's ELEMENTS. ...
Seite 11
... stands upon the other , is called a Per- pendicular to that whereon it stands . XI . An Obtuse Angle is that which is greater than a Right one . XII . An Acute Angle is that which is less than a Right one . XIII . A Term ( or Bound ) is ...
... stands upon the other , is called a Per- pendicular to that whereon it stands . XI . An Obtuse Angle is that which is greater than a Right one . XII . An Acute Angle is that which is less than a Right one . XIII . A Term ( or Bound ) is ...
Seite 13
... standing upon a Right Line , makes the adjacent Angles equal , each of the equal Angles is ‡ a Right Angle ; and consequently DCF , 1 10 of this . FCE , are both Right Angles . Therefore , the Right Line FC is drawn from the Point C at ...
... standing upon a Right Line , makes the adjacent Angles equal , each of the equal Angles is ‡ a Right Angle ; and consequently DCF , 1 10 of this . FCE , are both Right Angles . Therefore , the Right Line FC is drawn from the Point C at ...
Seite 14
... standing upon another Right Line , makes the Angles equal between themselves , each of the equal Angles * Def . 10. is a Right one * , and the faid standing Right Line is call'd a Perpendicular to that which it stands on . Therefore ...
... standing upon another Right Line , makes the Angles equal between themselves , each of the equal Angles * Def . 10. is a Right one * , and the faid standing Right Line is call'd a Perpendicular to that which it stands on . Therefore ...
Seite 15
... standing upon another Right Line , makes Angles , these shall be either two Right Angles , or together equal to two ... stands upon the Right Line CBE , the Angle A BC , ABE , together , will be equal * to two Right Angles . But ...
... standing upon another Right Line , makes Angles , these shall be either two Right Angles , or together equal to two ... stands upon the Right Line CBE , the Angle A BC , ABE , together , will be equal * to two Right Angles . But ...
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Euclid's Elements of Geometry: From the Latin Translation of Commandine. to ... John Keill Keine Leseprobe verfügbar - 2018 |
Euclid's Elements of Geometry: From the Latin Translation of Commandine. to ... John Keill Keine Leseprobe verfügbar - 2017 |
Euclid's Elements of Geometry: From the Latin Translation of Commandine. to ... John Keill Keine Leseprobe verfügbar - 2015 |
Häufige Begriffe und Wortgruppen
alfo alſo equal Altitude Angle ABC Angle BAC Bafe becauſe biſected Centre Circle ABCD Circle EFGH Circumference Cofine Cone conſequently Coroll Cylinder demonftrated deſcribed Diameter Diſtance drawn thro equal Angles equiangular Equimultiples faid fame Altitude fame Multiple fame Plane fame Proportion fame Reaſon fimilar fince firſt folid Parallelepipedon fore fubtending given Right Line greater join leſs likewiſe Logarithm Magnitudes Meaſure Number oppofite parallel Parallelogram perpendicular Polygon Priſm Prop PROPOSITION Pyramid Quadrant Ratio Rectangle Rectangle contained remaining Angle Right Angles Right Line A B Right-lined Figure ſame ſay ſecond Segment Semicircle ſhall be equal Sides ſince Sine ſome Sphere Square ſtand Subtangent THEOREM thereof theſe thoſe three Right Lines tiple Triangle ABC Unity Vertex the Point Wherefore whole whoſe Baſe
Beliebte Passagen
Seite 193 - If two triangles have two angles of the one equal to two angles of the other, each to each, and one side equal to one side, viz.
Seite 163 - 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.
Seite 168 - Equal parallelograms which have one angle of the one equal to one angle of the other, have their sides about the equal angles...
Seite 18 - ... sides equal to them of the other. Let ABC, DEF be two triangles which have the two sides AB, AC equal to the two sides DE, DF, each to each, viz. AB...
Seite 52 - If a straight line be divided into any two parts, four times the rectangle contained by the whole line, and one of the parts, together with the square of the other part, is equal to the square of the straight line which is made up of the whole and that part.
Seite 121 - GB is equal to E, and HD to F; GB and HD together are equal to E and F together : wherefore as many magnitudes as...
Seite 213 - CD; therefore AC is a parallelogram. In like manner, it may be proved that each of the figures CE, FG, GB, BF, AE, is a parallelogram...
Seite 194 - ABC, and they are both in the same plane, which is impossible ; therefore the straight line BC is not above the plane in which are BD and BE: wherefore, the three straight lines BC, BD, BE are in one and the same plane. Therefore, if three straight lines, &c.
Seite 159 - And because HE is parallel to KC, one of the sides of the triangle DKC, as CE to ED, so is...
Seite 205 - A plane is perpendicular to a plane, when the straight lines drawn in one of the planes perpendicular to the common section of the two planes, are perpendicular to the other plane. V. The inclination of a straight line to a plane...