Elements of Geometry: Containing the Principal Propositions in the First Six, and the Eleventh and Twelfth Books of EuclidJ. Johnson, 1789 - 272 páginas |
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Página 190
... stand . N H Let ABC , DEF be two equal circles , in which BGC , EHF are angles at the centre , and BAC , EDF angles at the circumference ; then will the arc BC be to the arc EF as the angle BGC is to the angle EHF , or as the angle BAC ...
... stand . N H Let ABC , DEF be two equal circles , in which BGC , EHF are angles at the centre , and BAC , EDF angles at the circumference ; then will the arc BC be to the arc EF as the angle BGC is to the angle EHF , or as the angle BAC ...
Página 239
... standing upon equal bases ACB , DEF , and having equal altitudes ; then will AH be equal to DM . For parallel to the bafes , and at equal diftances from them , draw the planes onm , and urw . Then , by the laft Prop . and Prop . 8 , the ...
... standing upon equal bases ACB , DEF , and having equal altitudes ; then will AH be equal to DM . For parallel to the bafes , and at equal diftances from them , draw the planes onm , and urw . Then , by the laft Prop . and Prop . 8 , the ...
Página 242
... standing upon equal bafes ABC , EFGH , and having equal altitudes DP , KS ; then will DABC be equal to KEFGH . For parallel to the bases , and at equal distances Do , Kr from the vertices , draw the planes nmp and vw . Then , by the ...
... standing upon equal bafes ABC , EFGH , and having equal altitudes DP , KS ; then will DABC be equal to KEFGH . For parallel to the bases , and at equal distances Do , Kr from the vertices , draw the planes nmp and vw . Then , by the ...
Página 262
... stand , feveral things which require proof , as much as the propo- fitions themselves , are taken for granted . PROP . IO . Book III . In this propofition , no mention is made of the corni- cular angle , or that which is fuppofed to be ...
... stand , feveral things which require proof , as much as the propo- fitions themselves , are taken for granted . PROP . IO . Book III . In this propofition , no mention is made of the corni- cular angle , or that which is fuppofed to be ...
Página 271
... stands ; as the property here alluded to is faid to be contained in the definition of a tri- angle , and is conftantly taken for granted in every part of the first fix books . But he did not perceive that a fimilar objection might be ...
... stands ; as the property here alluded to is faid to be contained in the definition of a tri- angle , and is conftantly taken for granted in every part of the first fix books . But he did not perceive that a fimilar objection might be ...
Otras ediciones - Ver todas
Elements of Geometry: Containing the Principal Propositions in the First Six ... Euclid,John Bonnycastle Sin vista previa disponible - 2016 |
Términos y frases comunes
ABCD AC is equal alfo equal alſo be equal alſo be greater altitude angle ABC angle ACB angle BAC angle CAB angle DAF bafe baſe becauſe bifect cafe centre chord circle ABC circumference Conft defcribe demonftration diagonal diameter diſtance draw EFGH equiangular equimultiples EUCLID fame manner fame multiple fame plane fame ratio fecond fection fegment fhewn fide AB fide AC fimilar fince the angles folid fome fquares of AC ftand given circle given right line infcribed interfect join the points lefs leſs Let ABC magnitudes muſt oppofite angles outward angle parallelepipedons parallelogram perpendicular polygon prifm propofition proportional Q. E. D. PROP reafon rectangle of AB rectangle of AC remaining angle right angles SCHOLIUM ſhall ſpace ſquare tangent THEOREM theſe thofe thoſe triangle ABC twice the rectangle whence
Pasajes populares
Página 166 - 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 73 - A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference.
Página 215 - Lemma, if from the greater of two unequal magnitudes there be taken more than its half, and from the remainder more than its half, and so on, there shall at length remain a magnitude less than the least of the proposed magnitudes.
Página 117 - In a given circle to inscribe a triangle equiangular to a given triangle. Let ABC be the given circle, and DEF the given triangle ; it is required to inscribe in the circle ABC a triangle equiangular to the triangle DEF. Draw the straight line GAH touching the circle in the point A (III. 17), and at the point A, in the straight line AH, make the angle HAG equal to the angle DEF (I.
Página 18 - To draw a straight line perpendicular to a given straight line of an unlimited length, from a given point without it. LET ab be the given straight line, which may be produced to any length both ways, and let c be a point without it. It is required to draw a straight line perpendicular to ab from the point c.
Página 249 - A plane rectilineal angle is the inclination of two straight lines to one another, which meet together, but are not in the same straight line.
Página 102 - To bisect a given arc, that is, to divide it into two equal parts. Let ADB be the given arc : it is required to bisect it.
Página i - Handbook to the First London BA Examination. Lie (Jonas). SECOND SIGHT; OR, SKETCHES FROM NORDLAND. By JONAS LIE. Translated from the Norwegian. [/» preparation. Euclid. THE ENUNCIATIONS AND COROLLARIES of the Propositions in the First Six and the Eleventh and Twelfth Books of Euclid's Elements.
Página 5 - AXIOM is a self-evident truth ; such as, — 1. Things which are equal to the same thing, are equal to each other. 2. If equals be added to equals, the sums will be equal. 3. If equals be taken from equals, the remainders will be equal. 4. If equals be added to unequals, the sums will be unequal.
Página 145 - F is greater than E; and if equal, equal; and if less, less. But F is any multiple whatever of C, and D and E are any equimultiples whatever of A and B; [Construction.