The Geometrical Companion, in which the Elements of Abstract Geometry are Familiarised, Illustrated, and Rendered Practically Useful, EtcJohn Taylor, 1828 - 169 sider |
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Side 14
... ABCD represents the front of a line of houses seen in perspective , ADEF the end - face of the nearest . On the other side , GH , of the street ( supposed to be viewed directly forward ) the end - face , IKLG , of a house , exactly ...
... ABCD represents the front of a line of houses seen in perspective , ADEF the end - face of the nearest . On the other side , GH , of the street ( supposed to be viewed directly forward ) the end - face , IKLG , of a house , exactly ...
Side 24
... ABCD , into two equal parts : how is he to do this ? A I With the points A and B re- spectively as centres , and the distance AB as radius , let him de- scribe the two circular arches yzx , vzw , and draw right lines from their point of ...
... ABCD , into two equal parts : how is he to do this ? A I With the points A and B re- spectively as centres , and the distance AB as radius , let him de- scribe the two circular arches yzx , vzw , and draw right lines from their point of ...
Side 27
... ABCD of a field , wishes to know how broad it is from any point in the side BC , as E , to the opposite side AD , he proceeds thus : With E as a centre , and the distance from E to any point н on the other side of AD as ra- dius , he ...
... ABCD of a field , wishes to know how broad it is from any point in the side BC , as E , to the opposite side AD , he proceeds thus : With E as a centre , and the distance from E to any point н on the other side of AD as ra- dius , he ...
Side 28
... ABCD is a garden - bed , straight across which the gardener wishes to make a foot - path , the borders setting out from E and F respectively . He has only his line to accomplish this with ; so pro- ceeds thus : Fixing a spud at E , he ...
... ABCD is a garden - bed , straight across which the gardener wishes to make a foot - path , the borders setting out from E and F respectively . He has only his line to accomplish this with ; so pro- ceeds thus : Fixing a spud at E , he ...
Side 40
... ABCD . Now these being perpendi- cular , each pair of internal angles ( EAB and ABF , FBC and BCG , GCD and B с D H But it is often preferable , and sometimes necessary to make use of the geometrical construction , in the absence or ...
... ABCD . Now these being perpendi- cular , each pair of internal angles ( EAB and ABF , FBC and BCG , GCD and B с D H But it is often preferable , and sometimes necessary to make use of the geometrical construction , in the absence or ...
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The Geometrical Companion, in which the elements of abstract geometry are ... George DARLEY Uten tilgangsbegrensning - 1841 |
The Geometrical Companion: In Which the Elements of Abstract Geometry Are ... George Darley Ingen forhåndsvisning tilgjengelig - 2016 |
Vanlige uttrykk og setninger
ABCD abstract Art adjacent angles adjacent sides altitude angle BAC Astronomy base bevel blade breadth bricks centre chord circle circular arch circumference Consequently construction corresponding sides curve describe the circular diagonal diameter distance divided draw drawn edge equiangular equilateral triangle Euclid's Elements exactly equal example feet former Geometry given point given right line gonal greater half a right height Hence inches instrument internal angles joining latter LEARNER lelogram length likewise linear unit manner measure method middle point number of equal observed pair parallel parallelogram perpendicular pieces practical PROB problem Pythagoras radius ratio rectangle rectangular rectilineal figure rendered respectively equal right angles right line intersect round square square-feet square-inches square-yards straight line suppose surface tangent TEACHER Thales theorem tremity triangle ABC triangular upright utility vertex wheel whole yards
Populære avsnitt
Side 13 - If two triangles have two sides of the one equal respectively to two sides of the other, but the included angle of the first greater than the included angle of the second, then the third side of the first is greater than the third side of the second. Given A ABC and A'B'C...
Side 106 - If there be two straight lines, one of which is divided into any number of parts, the rectangle contained by the two straight lines is equal to the rectangles contained by the undivided line, and the several parts of the divided line.
Side 67 - In any right-angled triangle, the square which is described on the side subtending the right angle is equal to the squares described on the sides which contain the right angle.
Side 66 - If two triangles have two angles of the one equal respectively to two angles of the other, the third angles are equal.
Side 160 - If the square described on one of the sides of a triangle be equal to the squares described on the other two sides of it, the angle contained by these two sides is a right angle.
Side 87 - A rectilineal figure is said to be described about a circle, when each side of the circumscribed figure touches the circumference of the circle. 5. In like manner, a circle is said to be inscribed...
Side 23 - When a straight line standing on another straight line, makes the adjacent angles equal to one another, each of these angles is called a right angle ; and the straight line which stands on the other is called a perpendicular to it.
Side 129 - FGL have an angle in one equal to an angle in the other, and their...
Side 120 - There are two Causes of Beauty, natural and customary. Natural is from Geometry, consisting in Uniformity (that is Equality) and Proportion. Customary Beauty is begotten by the Use of our Senses to those Objects which are usually pleasing to us for other Causes, as Familiarity or particular Inclination breeds a Love to Things not in themselves lovely. Here lies the great Occasion of Errors; here is tried the Architect's Judgment: but always the true Test is natural or geometrical Beauty.
Side 120 - Beauty is a harmony of objects, begetting pleasure by the eye. There are two causes of beauty, natural and customary. Natural is from GEOMETRY, consisting in uniformity (that is, equality) and proportion. Customary beauty is begotten by the use of our senses...