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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Side 7
... contain a much greater variety of subjects than any similar work ; and , in the method of treating the various articles , the studious reader will discover many things entirely new . Thus , for example , in the designs for roofs ...
... contain a much greater variety of subjects than any similar work ; and , in the method of treating the various articles , the studious reader will discover many things entirely new . Thus , for example , in the designs for roofs ...
Side 13
... contained by more than four straight lines , are called REGULAR POLYGONS . 30. A regular polygon of five sides , is called a PENTAGON ; as fig . 22 . 31. A regular polygon of six sides , is called a HEXAGON ; as fig . 23 . 32. A regular ...
... contained by more than four straight lines , are called REGULAR POLYGONS . 30. A regular polygon of five sides , is called a PENTAGON ; as fig . 22 . 31. A regular polygon of six sides , is called a HEXAGON ; as fig . 23 . 32. A regular ...
Side 14
... contained by two radii and the intercepted part of the circumference . Thus , a bc , fig . 31 , is the sector of a circle . 41. The QUADRANT of a circle is a sector contained by two radii , at a right - angle with each other , and the ...
... contained by two radii and the intercepted part of the circumference . Thus , a bc , fig . 31 , is the sector of a circle . 41. The QUADRANT of a circle is a sector contained by two radii , at a right - angle with each other , and the ...
Side 18
... contain it are equal , in the other , to an angle and the two sides which contain it . Let the angle A be equal to the angle D , the side AB equal to DE , and the side AC equal to DF ; then the triangles ABC , DEF , shall be equal ...
... contain it are equal , in the other , to an angle and the two sides which contain it . Let the angle A be equal to the angle D , the side AB equal to DE , and the side AC equal to DF ; then the triangles ABC , DEF , shall be equal ...
Side 19
... contained by the sides , AB , AC , be greater than the angle EDF , contained by the sides ED , DF , the base BC of the triangle which has the greater angle shall be Make the angle CAG equal to D , take AG greater than the base EF of the ...
... contained by the sides , AB , AC , be greater than the angle EDF , contained by the sides ED , DF , the base BC of the triangle which has the greater angle shall be Make the angle CAG equal to D , take AG greater than the base EF of the ...
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.