The New Practical Builder and Workman's Companion, Containing a Full Display and Elucidation of the Most Recent and Skilful Methods Pursued by Architects and Artificers ... Including, Also, New Treatises on Geometry ..., a Summary of the Art of Building ..., an Extensive Glossary of the Technical Terms ..., and The Theory and Practice of the Five Orders, as Employed in Decorative ArchitectureThomas Kelly, 1823 - 596 sider |
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Resultat 1-5 av 10
Side 76
... axis major ; and the line Dd , perpen- dicular to DE , an ordinate . Hence the same section may be found by the method already shown in the problem ; viz . by drawing any straight line , deb , fig . 4 : make de equal to DE , fig . 3 ...
... axis major ; and the line Dd , perpen- dicular to DE , an ordinate . Hence the same section may be found by the method already shown in the problem ; viz . by drawing any straight line , deb , fig . 4 : make de equal to DE , fig . 3 ...
Side 77
... axis major , DE , and the semi - axis minor , tm , describe a semi - ellipse , which will be the section of the cylinder required . A DEFINITION . 221. A CUNEOID is a solid ending in a straight line , in which , if any point be taken ...
... axis major , DE , and the semi - axis minor , tm , describe a semi - ellipse , which will be the section of the cylinder required . A DEFINITION . 221. A CUNEOID is a solid ending in a straight line , in which , if any point be taken ...
Side 79
... major , EF , and the semi - axis minor , HG , describe a semi - ellipse , and it will be the section of the ellipsoid required . If AC be the axis major , BD will be the axis minor . In this case , join DC , and draw EG parallel to DC ...
... major , EF , and the semi - axis minor , HG , describe a semi - ellipse , and it will be the section of the ellipsoid required . If AC be the axis major , BD will be the axis minor . In this case , join DC , and draw EG parallel to DC ...
Side 83
... axis major , or transverse axis . 246. A straight line , drawn perpendicularly to the axis major , from any point in it , to meet the curve , is called an ordinate . 247 The middle of the axis major is called the centre of the figure ...
... axis major , or transverse axis . 246. A straight line , drawn perpendicularly to the axis major , from any point in it , to meet the curve , is called an ordinate . 247 The middle of the axis major is called the centre of the figure ...
Side 84
... axis major is bisected by the axis major . 250. COROLLARY 2. - Hence the tangents at the extremity of the axis major are perpendicular to the axis major . DEFINITIONS RELATIVE TO THE ELLIPSE , CONTINUED . 251. A straight line drawn ...
... axis major is bisected by the axis major . 250. COROLLARY 2. - Hence the tangents at the extremity of the axis major are perpendicular to the axis major . DEFINITIONS RELATIVE TO THE ELLIPSE , CONTINUED . 251. A straight line drawn ...
Vanlige uttrykk og setninger
ABCD abscissa adjacent angles altitude angle ABD annular vault axes axis major base bisect called centre chord circle circumference cone conic section conjugate contains COROLLARY 1.-Hence cutting cylinder describe a semi-circle describe an arc diameter distance divide draw a curve draw lines draw the lines edge ellipse Engraved equal angles equal to DF equation equiangular figure GEOMETRY given straight line greater groin homologous sides hyperbola intersection join joist latus rectum less Let ABC line of section meet multiplying Nicholson opposite sides ordinate parallel to BC parallelogram perpendicular PLATE points of section polygon PROBLEM produced proportionals quantity radius rectangle regular polygon ribs right angles roof segment similar triangles square straight edge subtracted surface Symns tangent THEOREM timber transverse axis triangle ABC vault vertex wherefore
Populære avsnitt
Side 27 - 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.
Side 20 - The areas of two triangles which have an angle of the one equal to an angle of the other are to each other as the products of the sides including the equal angles. D c A' D' Hyp. In triangles ABC and A'B'C', ZA = ZA'. To prove AABC = ABxAC. A A'B'C' A'B'xA'C' Proof. Draw the altitudes BD and B'D'.
Side 51 - The area of a parallelogram is equal to the product of its base and its height: A = bx h.
Side 15 - AXIOMS. 1. Things which are equal to the same thing are equal to one another. 2. If equals be added to equals, the wholes are equal. 3. If equals be taken from equals, the remainders are equal.
Side 15 - LET it be granted that a straight line may be drawn from any one point to any other point.
Side 28 - ... angles of another, the third angles will also be equal, and the two triangles will be mutually equiangular. Cor.
Side 81 - C' (89) (90) (91) (92) (93) 112. In any plane triangle, the sum of any two sides is to their difference as the tangent of half the sum of the opposite angles is to the tangent of half their difference.
Side 80 - The sine of an arc is a straight line drawn from one extremity of the arc perpendicular to the radius passing through the other extremity. The tangent of an arc is a straight line touching the arc at one extremity, and limited by the radius produced through the other extremity.
Side 28 - After remarking that the mathematician positively knows that the sum of the three angles of a triangle is equal to two right angles...
Side 22 - The perpendicular is the shortest line that can be drawn from a point to a straight line.