Elements of Geometry and Trigonometry: From the Works of A.M. Legendre |
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Page ii
... volume , are more available for American courses of study . Davies ' Analytical Geometry . The original compendiums , for those de- Davies ' Diff . & Int . Calculus . siring to give full time to each branch . Davies ' Descriptive ...
... volume , are more available for American courses of study . Davies ' Analytical Geometry . The original compendiums , for those de- Davies ' Diff . & Int . Calculus . siring to give full time to each branch . Davies ' Descriptive ...
Page iv
... volume , has been introduced in its place , under the belief that it corresponds more exactly to the idea intended . Many other departures have been made from the original text , the value and utility of which have been made manifest in ...
... volume , has been introduced in its place , under the belief that it corresponds more exactly to the idea intended . Many other departures have been made from the original text , the value and utility of which have been made manifest in ...
Page viii
... Volume of a Prism , 124 Volume of a Pyramid , 124 ...... Volume of the Frustum of a Pyramid , 125 Volume of a Sphere , 126 Volume of a Wedge , 127 Volume of a Prismoid , Volumes of Regular Polyedrons , .. 128 132 ELEMENTS OF GEOMETRY ...
... Volume of a Prism , 124 Volume of a Pyramid , 124 ...... Volume of the Frustum of a Pyramid , 125 Volume of a Sphere , 126 Volume of a Wedge , 127 Volume of a Prismoid , Volumes of Regular Polyedrons , .. 128 132 ELEMENTS OF GEOMETRY ...
Page 9
... VOLUMES , and ANGLES . These are called , GEOMETRICAL MAGNITUdes . Since the unit of measure of a quantity is of the ... Volume , and Units of Angular Measure . 3 . GEOMETRY is that branch of Mathematics which treats of the properties ...
... VOLUMES , and ANGLES . These are called , GEOMETRICAL MAGNITUdes . Since the unit of measure of a quantity is of the ... Volume , and Units of Angular Measure . 3 . GEOMETRY is that branch of Mathematics which treats of the properties ...
Page 17
... all right angles . A SQUARE is an equilateral rectangle . 21. A RHOMBOID is a parallelogram whose angles are all oblique . A RHOMBUS is an equilateral rhomboid . 29. SPACE is indefinite extension . 30. A VOLUME is BOOK I. 17.
... all right angles . A SQUARE is an equilateral rectangle . 21. A RHOMBOID is a parallelogram whose angles are all oblique . A RHOMBUS is an equilateral rhomboid . 29. SPACE is indefinite extension . 30. A VOLUME is BOOK I. 17.
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Common terms and phrases
AB² ABCD AC² adjacent angles altitude apothem Applying logarithms base and altitude bisect centre chord circle circumference circumscribed coincide cone consequently convex surface corresponding cosec cosine Cotang cylinder denote diagonals diameter difference distance divided draw drawn edges equally distant feet find the area Formula frustum given angle given straight line greater hence homologous hypothenuse included angle interior angles intersection less Let ABC log sin lower base mantissa measured by half number of sides opposite parallel parallelogram parallelopipedon perimeter perpendicular plane MN polyedral angle polyedron prism PROPOSITION proved pyramid quadrant radii radius rectangle regular polygons right angles right-angled triangle Scholium secant segment semi-circumference side BC similar sine slant height sphere spherical polygon spherical triangle square subtracted Tang tangent THEOREM triangle ABC triangular prisms triedral angle upper base vertex vertices whence
Popular passages
Page 126 - The square of the hypothenuse is equal to the sum of the squares of the other two sides ; as, 5033 402+302.
Page 59 - A'B'C', and applying the law of cosines, we have cos a' = cos b' cos c' + sin b' sin c' cos A'. Remembering the relations a' = 180° -A, b' = 180° - B, etc. (this expression becomes cos A = — cos B cos C + sin B sin C cos a.
Page 18 - The circumference of every circle is supposed to be divided into 360 equal parts called degrees, and each degree into 60 equal parts called minutes, and each minute into 60 equal parts called seconds, and these into thirds, fourths, &c.
Page 104 - The square described on the hypothenuse of a rightangled triangle is equal to the sum of the squares described on the other two sides.
Page 6 - The logarithm of any power of a number is equal to the logarithm of the number multiplied by the exponent of the power.
Page 28 - If two triangles have two sides of the one equal to two sides of the...
Page 46 - All the interior angles of any rectilineal figure, together with four right angles, are equal to twice as many right angles as the figure has sides.
Page 99 - The area of a parallelogram is equal to the product of its base and altitude.
Page 172 - If two planes are perpendicular to 'each other, a straight line drawn in one of them, perpendicular to their intersection, will be perpendicular to the other.
Page 214 - A sphere is a solid bounded by a curved surface, every point of which is equally distant from a point within called the center.