The Elements of Euclid: In which the Propositions are Demonstrated in a New and Shorter Manner Than in Former Translations, and the Arrangement of Many of Them Altered, to which are Annexed Plain and Spherical Trigonometry, Tables of Logarithms from 1 to 10,000, and Tables of Sines, Tangents, and Secants, Natural and Artificialauthor, and sold, 1776 - 264 páginas |
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Página 3
... whofe oppofite fides and angles are equal . XXXIV . All quadrilateral figures beside these are called trapezia . XXXV . Parallel right lines are fuch as , being produced both ways in the fame plain , never meet . XXXVI . A parallelogram ...
... whofe oppofite fides and angles are equal . XXXIV . All quadrilateral figures beside these are called trapezia . XXXV . Parallel right lines are fuch as , being produced both ways in the fame plain , never meet . XXXVI . A parallelogram ...
Página 14
... whofe fides are equal to three given right lines , if any two of them , however taken , are greater than the third , Let A , B , C , be the three given right lines , any two of which are greater than the third . Take any right line ...
... whofe fides are equal to three given right lines , if any two of them , however taken , are greater than the third , Let A , B , C , be the three given right lines , any two of which are greater than the third . Take any right line ...
Página 23
... whofe diameter is HK ; and whofe complements FGBE , BALM , are equal d ; but FGBE , was d 43 . made equal to C ; and the angle EBG equal to D ; therefore BALM is equal to C , and the angle ABM equal to D. e 15 . Wherefore , & c . T PRO ...
... whofe diameter is HK ; and whofe complements FGBE , BALM , are equal d ; but FGBE , was d 43 . made equal to C ; and the angle EBG equal to D ; therefore BALM is equal to C , and the angle ABM equal to D. e 15 . Wherefore , & c . T PRO ...
Página 35
... whofe diameters are equal . A right line is faid to touch a circle , when drawn to the famê , and being produced , does not cut the circle . III . Circles are faid to touch each other , which , meeting , do not cut one another . IV ...
... whofe diameters are equal . A right line is faid to touch a circle , when drawn to the famê , and being produced , does not cut the circle . III . Circles are faid to touch each other , which , meeting , do not cut one another . IV ...
Página 43
... whofe diameter is AD ; let MN , FG , be drawn any how in the circle ; then AD is the greatest line ; AD greater than MN , and MN greater than FG . Find the center E ; draw EM , EN , EF , EG ; then AE , ED , are equal to ME , EN ; but ME ...
... whofe diameter is AD ; let MN , FG , be drawn any how in the circle ; then AD is the greatest line ; AD greater than MN , and MN greater than FG . Find the center E ; draw EM , EN , EF , EG ; then AE , ED , are equal to ME , EN ; but ME ...
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The Elements of Euclid: In Which the Propositions Are Demonstrated in a New ... Euclid Sin vista previa disponible - 2015 |
Términos y frases comunes
ABCM angle ABC angle BAC arch bafe bafe BC baſe becauſe bifected Book XI circle ABCD circle EFGH circumference cofine common fection cone contained cylinder defcribe DEFH diameter draw drawn equal angles equal to AC equiangular equilateral equimultiples fame altitude fame multiple fame plain fame proportion fame reaſon fecond fegment femicircle fhall fides fimilar folid angle folid parallelopipedons fome fore fphere fquare of AC fubtending given right line greater infcribed join lefs leſs likewife magnitudes parallel parallelogram perpendicular plain paffing polygon polyhedron prifms PROP pyramid rectangle right angles right line AB right lined figure Secant Sine Tang tangent thefe THEOR theſe triangle ABC triplicate ratio Wherefore whofe bafe whoſe
Pasajes populares
Página 80 - If two triangles have one angle of the one equal to one angle of the other and the sides about these equal angles proportional, the triangles are similar.
Página 72 - F, equal to them in number, be taken two and two in the fame ratio, and if their analogy be perturbate, viz. as A is to B, fo is E to F, and B to C as D to E ; and if the firft A be greater than the third C, then the fourth D will be greater than the fixth F ; if equal, equal ; and, if lefs, lefs.
Página 91 - BAC was proved to be equal to ACD : Therefore the whole angle ACE is equal to the two angles ABC, BAC...
Página x - If a straight line meets two straight lines, so as to make the two interior angles on the same side of it taken together less than two right angles, these straight lines being continually produced, shall at length meet upon that side on which are the angles which are less than two right angles.
Página 54 - Let ABC be the given circle, and D the given straight line, not greater than the diameter of the circle. It is required to place in the circle ABC a straight line equal to D.
Página 9 - 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.
Página 13 - From this it is manifest that if one angle of a triangle be equal to the other two it is a right angle, because the angle adjacent to it is equal to the same two ; (i.
Página 69 - Let AB be the fame multiple of C, that DE is of F : C is to F, as AB to DE. Becaufe AB is the fame multiple of C that DE is of F ; there are as many magnitudes in AB equal to C, as there are in...
Página 91 - BGC: for the same reason, whatever multiple the circumference EN is of the circumference EF, the same multiple is the angle EHN of the angle EHF: and if the circumference BL be equal to the circumference EN, the angle BGL is also equal to the angle EHN ; (in.
Página 80 - ... reciprocally proportional, are equal to one another. Let AB, BC be equal parallelograms which have the angles at B equal, and let the sides DB, BE be placed in the same straight line ; wherefore also FB, BG are in one straight line (2.