| 单词 | decagon |
| 例句 | Most of the list came from the state eighth grade curriculum: barometer, decagon, perpendicular . Schooled 2000-02-29T00:00:00Z Place 10 of the long struts on the floor with the ends touching, to create a decagon. Don’t Just Read the News, Build With It 2020-12-19T05:00:00Z This makes each base angle 72° and the vertical angle 36°, the latter being the central angle of a regular decagon,—essentially our present method. The Teaching of Geometry 2011-10-12T02:00:52.133Z Just looking at Penrose's pattern, one sees plenty of pentagons and decagons. Discoverer of 'Impossible' Crystals Gets Chemistry Nobel—And Last Laugh 2011-10-05T18:26:41Z This side being known the decagon can be constructed, and if the vertices are joined alternately, leaving out half their number, we obtain the regular pentagon. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" 2011-09-19T02:00:10.473Z The rotunda, or decagon, so reminiscent of Aix-la-Chapelle, dates from a period contemporary therewith, so far as its lower walls are concerned, but the upper portions are of the twelfth century, at least. The Cathedrals and Churches of the Rhine Tape 10 short struts to the triangle tops, making another decagon. Don’t Just Read the News, Build With It 2020-12-19T05:00:00Z The purpose of this problem is to prepare for the construction of the regular decagon and pentagon. The Teaching of Geometry 2011-10-12T02:00:52.133Z The plan of the church was a decagon, within which six composite columns in the centre supported six semi-circular vaults. Old and New London Volume I The solution is required later on in the construction of a regular decagon. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" 2011-09-19T02:00:10.473Z Below the arches are the chapels which surround the decagon in symmetrical fashion. The Cathedrals and Churches of the Rhine Using long struts, connect the base of the innermost decagon with the tips of the small struts you just added, creating a star pattern. Don’t Just Read the News, Build With It 2020-12-19T05:00:00Z To inscribe a regular decagon in a given circle. The Teaching of Geometry 2011-10-12T02:00:52.133Z But the children wanted to know all the names, taking pleasure in learning even 54 the most difficult, such as trapezium, and decagon. Dr. Montessori's Own Handbook To construct a regular pentagon, we find it convenient first to construct a regular decagon. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" 2011-09-19T02:00:10.473Z The Pantheon and the so-called Temple of Minerva Medica at Rome are early examples of the first variety, the first circular, the second a decagon in plan. Byzantine Churches in Constantinople Their History and Architecture If then the bisected chord be a side of the decagon, and if the radius be still 1280, the double of the lesser segment exceeds 125. A Budget of Paradoxes, Volume II They are not circular, but form the sides of an irregular decagon. Dikes and Ditches Young America in Holland and Belguim Of nouns in on, derived from Greek, the greater part always form the plural regularly; as, etymons, gnomons, ichneumons, myrmidons, phlegmons, trigons, tetragons, pentagons, hexagons, heptagons, octagons, enneagons, decagons, hendecagons, dodecagons, polygons. The Grammar of English Grammars If we make the sides of this triangle equal to the radius of the given circle, then the base will be the side of the regular decagon inscribed in the circle. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" 2011-09-19T02:00:10.473Z A. Because it has ten sides and ten angles, and there are both regular and irregular decagons. The Infant System For Developing the Intellectual and Moral Powers of all Children, from One to Seven years of Age The story of the Shamash shum ukin revolt is continued by Cylinder C, a decagon, whose form points to the fact that it is a fuller edition. Assyrian Historiography This, however, does not change the real nature of his solution, nor does his solution become simpler by not mentioning the decagon. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" 2011-09-19T02:00:10.473Z The first known was Cylinder A, a decagon, whose lines divide the document into thirteen parts. Assyrian Historiography |
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