| 单词 | plane figure |
| 例句 | They apparently didn’t have a deep interest in the plane figures that the Greeks loved so much. Zero: The Biography of a Dangerous Idea 2000-02-07T00:00:00Z The time was the late 16th and 17th centuries, and the mathematics in question was the proper understanding of continua — straight lines, plane figures, solids. Books: ‘Infinitesimal,’ Looks at an Historic Math Battle 2014-04-07T20:44:24Z In the mensuration of plane figures, which may be boundaries of solid figures, this is particularly true. The Teaching of Geometry 2011-10-12T02:00:52.133Z Definitions.—When two plane figures can be derived from one another by a single projection, they are said to be in perspective. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" 2011-09-19T02:00:10.473Z An army of men can exist only as a square, or other plane figure, whereas an army of angels can exist as a cube or parallelopiped. The Three Devils: Luther's, Milton's, and Goethe's With Other Essays 2011-03-03T03:00:54.067Z The form of a body depends on those of all its faces and sections; and these last are plane figures. Beauty Illustrated Chiefly by an Analysis and Classificatin of Beauty in Woman 2011-02-28T03:00:32.460Z Al′titude, in mathematics, the perpendicular height of the vertex or apex of a plane figure or solid above the base. The New Gresham Encyclopedia. Vol. 1 Part 1 A to Amide A circle is a plane figure contained by one line such that all the straight lines falling upon it from one point among those lying within the figure are equal to one another. The Teaching of Geometry 2011-10-12T02:00:52.133Z When two plane figures can be derived one from the other by a finite series of perspective relations between intermediate figures, they are said to be projectively related. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" 2011-09-19T02:00:10.473Z Suppose the field to be divided, the objects to be classified, are three-sided rectilineal plane figures, each group must be based upon some modification of the three sides. Logic, Inductive and Deductive The outlines of all geometrical plane figures both rectilinear and curvilinear may be illustrated with the point as well as straight and curved lines and angles of every degree. Froebel's Gifts A quadrilateral is a plane figure having four sides and four angles. The Century Handbook of Writing Proclus remarked that the semicircle is the only plane figure that has its center on its perimeter. The Teaching of Geometry 2011-10-12T02:00:52.133Z Thus, to one plane figure we can construct one reciprocal figure in the plane, and to each one reciprocal figure in a pencil. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" 2011-09-19T02:00:10.473Z "What have plane figures to do with the celestial orbits?" he cries out; "inscribe the regular solids." Pioneers of Science A plane figure bounded by a line called the circumference, everywhere equally distant from a point within it, called the centre. The Sailor's Word-Book An Alphabetical Digest of Nautical Terms, including Some More Especially Military and Scientific, but Useful to Seamen; as well as Archaisms of Early Voyagers, etc. What have plane figures to do with solid orbits? The Martyrs of Science, or, The lives of Galileo, Tycho Brahe, and Kepler The pupil has been accustomed to seeing only plane figures, and therefore the drawing of a solid figure in the flat is confusing. The Teaching of Geometry 2011-10-12T02:00:52.133Z Quadrilateral.—A plane figure having four sides, and consequently four angles. Carpentry for Boys In a Simple Language, Including Chapters on Drawing, Laying Out Work, Designing and Architecture With 250 Original Illustrations In this section he brings forward Berkeley's assertion, "that neither solid nor plane figures are immediate objects of sight." Blackwood's Edinburgh Magazine — Volume 53, No. 332, June, 1843 The curved lines and plane figures which are produced by the intersection of a plane with a cone. The Sailor's Word-Book An Alphabetical Digest of Nautical Terms, including Some More Especially Military and Scientific, but Useful to Seamen; as well as Archaisms of Early Voyagers, etc. By definition we distinguish triangles from squares, circles, and other plane figures. Composition-Rhetoric These three form the foundation of trigonometry and of the mensuration of plane figures. The Teaching of Geometry 2011-10-12T02:00:52.133Z Snow-flakes have been also found in the form of regular hexagons and other plane figures, as well as in cylinders and spheres. The Atlantic Monthly, Volume 09, No. 52, February, 1862 From the third dimension the boundaries of plane figures offer no impediment to the view of their interiors, and they themselves in no way impede our vision of surrounding objects. Four-Dimensional Vistas A solid, the base of which is any right-lined plane figure, and its sides are triangles, having their vertices meeting in one point, named its vertex. The Sailor's Word-Book An Alphabetical Digest of Nautical Terms, including Some More Especially Military and Scientific, but Useful to Seamen; as well as Archaisms of Early Voyagers, etc. Pythagoras discovered that of all figures having the same boundary, the circle among plane figures and the sphere among solids are the most capacious. Beacon Lights of History, Volume 03 Ancient Achievements He also discovered that of all figures having the same boundary, the circle among plane figures and the sphere among solids, are the most capacious. The Old Roman World, : the Grandeur and Failure of Its Civilization. I must confess men are tempted to think that flat or plane figures are immediate objects of sight, though they acknowledge solids are not. A Essay Towards a New Theory of Vision And from these last, lines of which plane figures consist. A History of Science — Volume 1 In geometry, a plane figure of eleven sides and angles. The Sailor's Word-Book An Alphabetical Digest of Nautical Terms, including Some More Especially Military and Scientific, but Useful to Seamen; as well as Archaisms of Early Voyagers, etc. And from plane figures are derived solid bodies. A History of Science — Volume 1 |
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