Elements of Geometry and Trigonometry |
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Page viii
... Frustum of a Right Pyramid ,. 359 Solidity of a Prism , ... 359 Solidity of a Pyramid ,. 360 Solidity of the Frustum of a Pyramid ,. 360 The Wedge , .. - 361 Rectangular Prismoid ,. 361 Solidity of the Wedge ,. 361 Solidity of a ...
... Frustum of a Right Pyramid ,. 359 Solidity of a Prism , ... 359 Solidity of a Pyramid ,. 360 Solidity of the Frustum of a Pyramid ,. 360 The Wedge , .. - 361 Rectangular Prismoid ,. 361 Solidity of the Wedge ,. 361 Solidity of a ...
Page 175
... frustum of a pyramid . 14. The altitude of a frustum is the perpendicular dis- BOOK VII . 175.
... frustum of a pyramid . 14. The altitude of a frustum is the perpendicular dis- BOOK VII . 175.
Page 176
Adrien Marie Legendre. 14. The altitude of a frustum is the perpendicular dis- tance between its bases : and the slant height , is that por- tion of the slant height of the pyramid intercepted between the bases of the frustum . 15. The ...
Adrien Marie Legendre. 14. The altitude of a frustum is the perpendicular dis- tance between its bases : and the slant height , is that por- tion of the slant height of the pyramid intercepted between the bases of the frustum . 15. The ...
Page 180
... frustum ABCDE - d is composed of the equal trapezoids EAae , ABba , & c . , and the perpendicular distance between the parallel sides of either of these trapezoids is equal to Ff , the slant height of the frustum . But the area of ...
... frustum ABCDE - d is composed of the equal trapezoids EAae , ABba , & c . , and the perpendicular distance between the parallel sides of either of these trapezoids is equal to Ff , the slant height of the frustum . But the area of ...
Page 197
... frustum of a pyramid is equal to that of three pyramids having for their common altitude the alti- tude of the frustum , and for bases the lower base of the frustum , the upper base , and a mean proportional between the two bases . Let ...
... frustum of a pyramid is equal to that of three pyramids having for their common altitude the alti- tude of the frustum , and for bases the lower base of the frustum , the upper base , and a mean proportional between the two bases . Let ...
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Elements of Geometry and Trigonometry: From the Works of A. M. Legendre Adrien Marie Legendre,Charles Davies No preview available - 2016 |
Common terms and phrases
adjacent angles altitude angle ACB angle BAD bisect centre chord circ circumference circumscribed common comp cone consequently convex surface cosē Cosine Cosine D Cotang cylinder diagonal diameter distance divided draw drawn equations equivalent feet figure find the area frustum given angle given line gles greater hence homologous homologous sides hypothenuse included angle inscribed circle intersect less Let ABC let fall logarithm magnitudes measured by half middle point number of sides opposite parallel parallelogram parallelopipedon pendicular perimeter perpendicular plane MN polyedral angle polyedron PROBLEM PROPOSITION pyramid quadrant radii radius ratio rectangle regular polygon right angles right-angled triangle Scholium secant segment side BC similar sinē sine slant height solidity sphere spherical polygon spherical triangle square described straight line Tang tangent THEOREM triangle ABC triangular prism triedral angles vertex vertices ΙΟ
Popular passages
Page 24 - If two triangles have two sides and the included angle of the one, equal to two sides and the included angle of the other, each to each, the two triangles will be equal.
Page 38 - That, if a straight line falling on two straight lines make the interior angles on the same side less than two right angles, the two straight lines, if produced indefinitely, meet on that side on which are the angles less than the two right angles.
Page 227 - A spherical triangle is a portion of the surface of a sphere, bounded by three arcs of great circles.
Page 271 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees...
Page 43 - Hence, the interior angles plus four right angles, is equal to twice as many right angles as the polygon has sides, and consequently, equal to the sum of the interior angles plus the sum of the exterior angles.
Page 215 - The surface of a sphere is equal to the product of its diameter by the circumference of a great circle.
Page 107 - If two triangles have two angles of the one equal to two angles of the other, each to each, and also one side of the one equal to the corresponding side of the other, the triangles are congruent.
Page 93 - The area of a parallelogram is equal to the product of its base and altitude.
Page 231 - The angles of spherical triangles may be compared together, by means of the arcs of great circles described from their vertices as poles and included between their sides : hence it is easy to make an angle of this kind equal to a given angle.
Page 232 - F, be respectively poles of the sides BC, AC, AB. For, the point A being the pole of the arc EF, the distance AE is a 'quadrant ; the point C being the pole of the arc DE, the distance CE is likewise a quadrant : hence the point E is...