Elements of Geometry and Trigonometry: From the Works of A. M. Legendre |
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Page 4
... Figures by Sight . Babies ' Entellectual Arithmetic - An Analysis of the Science of Numbers , with especial reference to Mental Training and Development . Babies ' New School Arithmetic - Analytical and Practical . Bey to Davies ' New ...
... Figures by Sight . Babies ' Entellectual Arithmetic - An Analysis of the Science of Numbers , with especial reference to Mental Training and Development . Babies ' New School Arithmetic - Analytical and Practical . Bey to Davies ' New ...
Page 5
... Figures - Measurement of Areas , 93 Problems relating to the Fourth Book , 129 BOOK V. Regular Polygons - Measurement of the Circle , 136 ...... BOOK VI . Planes , and Polyedral Angles , 157 BOOK VII . Polyedrons , ........ 178 BOOK ...
... Figures - Measurement of Areas , 93 Problems relating to the Fourth Book , 129 BOOK V. Regular Polygons - Measurement of the Circle , 136 ...... BOOK VI . Planes , and Polyedral Angles , 157 BOOK VII . Polyedrons , ........ 178 BOOK ...
Page 15
... FIGURE is a portion of a plane bounded by lines , either straight or curved . 18. A POLYGON is a plane figure bounded by straight lines . The bounding lines are called sides of the polygon . The broken line , made up of all the sides of ...
... FIGURE is a portion of a plane bounded by lines , either straight or curved . 18. A POLYGON is a plane figure bounded by straight lines . The bounding lines are called sides of the polygon . The broken line , made up of all the sides of ...
Page 46
... figure has sides , less four , divided by the number of angles . PROPOSITION XXVII . THEOREM . The sum of the exterior angles of a polygon is equal to four right angles . Let the sides of the polygon ABCDE be prolonged , in the same ...
... figure has sides , less four , divided by the number of angles . PROPOSITION XXVII . THEOREM . The sum of the exterior angles of a polygon is equal to four right angles . Let the sides of the polygon ABCDE be prolonged , in the same ...
Page 48
... figure is a parallelogram ( D. 28 ) ; which was to be proved . PROPOSITION XXX . THEOREM . If two sides of a quadrilateral are equal and parallel , the figure is a parallelogram . In the quadrilateral ABCD , let AB D be equal and ...
... figure is a parallelogram ( D. 28 ) ; which was to be proved . PROPOSITION XXX . THEOREM . If two sides of a quadrilateral are equal and parallel , the figure is a parallelogram . In the quadrilateral ABCD , let AB D be equal and ...
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Common terms and phrases
ABĀ² ABCD altitude apothem Applying logarithms centre chord circle circumference cone consequently convex surface cosec Cosine Cotang cylinder demonstrated in Book denote diameter distance divided draw edges Equation feet find the area Find the logarithmic following RULE frustum given angle greater hence homologous hypothenuse included angle inscribed intersection less Let ABC linear units log cot log sin lower base lune mantissa multiplied number of sides opposite parallel parallelogram parallelopipedon perpendicular plane MN polar triangle polyedral angle polyedron principle demonstrated prism proportional PROPOSITION proved pyramid quadrant radii radius rectangle regular polygon right angles right-angled triangle Scholium segment similar six right slant height solution sphere spherical angle spherical excess spherical polygon spherical triangle square straight line subtracting Tang tangent THEOREM triangle ABC triangular prism upper base vertex volume whence write the following