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 Plain and Spherical Trigonometry : with a Preface ...T. Woodward, 1723 - 364 páginas |
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Página
... Figures , as in Geometry Should always be done . The Elements of all Sciences ought to be handled after the most Simple Method , and not to be involved in Symboles , Notes , or obfcure Principles , taken elsewhere . As Barrow's Elements ...
... Figures , as in Geometry Should always be done . The Elements of all Sciences ought to be handled after the most Simple Method , and not to be involved in Symboles , Notes , or obfcure Principles , taken elsewhere . As Barrow's Elements ...
Página 2
... Figure , is that which is contained under one , or more Terms . XV . A Circle , is a plain Figure , contain'd under one Line , called the Circumference ; to which all Right Lines , drawn from a certain Point within the Figure , are ...
... Figure , is that which is contained under one , or more Terms . XV . A Circle , is a plain Figure , contain'd under one Line , called the Circumference ; to which all Right Lines , drawn from a certain Point within the Figure , are ...
Página 3
... Figures , that is a Square , whofe four Sides are equal , and its Angles all Right ones . XXXI . That an Oblong , or Rectangle , a Figure which is longer on one fide than the other , which is Right- angled , but not equal fided . XXXII ...
... Figures , that is a Square , whofe four Sides are equal , and its Angles all Right ones . XXXI . That an Oblong , or Rectangle , a Figure which is longer on one fide than the other , which is Right- angled , but not equal fided . XXXII ...
Página 4
... Figure of Prop . XII . Lib . I. the Angle contain'd under the Right Lines AB , BC , is called the Angle ABC ; and the Angle contain'd under the Right Lines AB , BE , is call'd the Angle A BE . PRO- PROPOSITION I. PROBLEM . To defcribe ...
... Figure of Prop . XII . Lib . I. the Angle contain'd under the Right Lines AB , BC , is called the Angle ABC ; and the Angle contain'd under the Right Lines AB , BE , is call'd the Angle A BE . PRO- PROPOSITION I. PROBLEM . To defcribe ...
Página 31
... Figure whatsoever , make twice as many Right Angles , abating four , as the Figure has Sides . FOR any Right - lind Figure may be refolv'd into as many Triangles , abating two , as it hath Sides . For Example , if a Figure has four ...
... Figure whatsoever , make twice as many Right Angles , abating four , as the Figure has Sides . FOR any Right - lind Figure may be refolv'd into as many Triangles , abating two , as it hath Sides . For Example , if a Figure has four ...
Términos y frases comunes
alfo equal alſo Angle ABC Angle BAC Baſe becauſe bifected Center Circle ABCD Circle EFGH Circumference Cofine Cone confequently contain'd Coroll Cylinder defcrib'd defcribed demonftrated Diameter Diſtance drawn thro equal Angles equiangular equilateral Equimultiples faid fame Altitude fame Multiple fame Plane fame Proportion fame Reafon fecond fhall be equal fimilar fince firft firſt folid Parallelepipedon fome fore ftand fubtending given Right Line Gnomon greater join leffer lefs likewife Logarithm Magnitudes Meaſure Number paffing thro Parallelogram perpendicular Polygon Prifm Priſms Prop PROPOSITION Pyramid Quadrant Ratio Rectangle remaining Angle Right Angles Right Line A B Right Line AB Right-lin'd Figure Right-lin❜d Segment ſhall Sine Solid Sphere Subtangent thefe THEOREM theſe thofe Triangle ABC triplicate Proportion Unity Vertex the Point Wherefore whofe Bafe whole
Pasajes populares
Página 190 - 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.
Página 160 - 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.
Página 63 - DBA ; and because AE, a side of the triangle DAE, is produced to B, the angle DEB is greater (16.
Página 152 - ... therefore the angle DFG is equal to the angle DFE, and the angle at G to the angle at E : but the angle DFG is equal to the angle ACB...
Página 100 - About a given circle to describe a triangle equiangular to a given triangle. Let ABC be the given circle, and DEF the given triangle; it is required to describe a triangle about the circle ABC equiangular to the triangle DEF.
Página 17 - CF, and the triangle AEB to the triangle CEF, and the remaining angles to the remaining angles, each to each, to which...
Página 210 - 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...
Página 229 - If two right-angled triangles have their hypotenuses equal, and one side of the one equal to one side of the other, the triangles are congruent.
Página 164 - ABG ; (vi. 1.) therefore the triangle ABC has to the triangle ABG the duplicate ratio of that which BC has to EF: but the triangle ABG is equal to the triangle DEF; therefore also the triangle ABC has to the triangle DEF the duplicate ratio of that which BC has to EF. Therefore similar triangles, &c.
Página 93 - If from any point without a circle two straight lines be drawn, one of which cuts the circle, and the other touches it ; the rectangle contained by the whole line which cuts the circle, and the part of it without the circle, shall be equal to the square of the line which touches it.