The Geometrician: Containing Essays on Plane Geometry, and Trigonometry: with Their Application to the Solutions of a Variety of Problems ...J. Johnson, 1775 - 159 sider |
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Resultat 1-5 av 32
Side 3
... Circumference ; to which all right Lines drawn from a certain Point within the Figure , are equal to each other . Which right Lines are called the Radii . B 2 19 . 16 . 19. And that Point within the Figure from Definitions . 13.
... Circumference ; to which all right Lines drawn from a certain Point within the Figure , are equal to each other . Which right Lines are called the Radii . B 2 19 . 16 . 19. And that Point within the Figure from Definitions . 13.
Side 4
... Circumference could not be equal ; and if they coincide , they must be equal , by Axiom 8 . 18 . 22. A Semicircle is a Figure contained by a Diameter , and that Part of the Circumference of a Circle cut off by the Diameter . 19 . 23. A ...
... Circumference could not be equal ; and if they coincide , they must be equal , by Axiom 8 . 18 . 22. A Semicircle is a Figure contained by a Diameter , and that Part of the Circumference of a Circle cut off by the Diameter . 19 . 23. A ...
Side 31
... Circumference which the Lines that contain the Angle intercept between them . 132. Def . 9. The Sector of a Circle is the Figure contained by two Lines drawn from the Center , and the Circumference between them . See Pl . 2. Fig . 18 ...
... Circumference which the Lines that contain the Angle intercept between them . 132. Def . 9. The Sector of a Circle is the Figure contained by two Lines drawn from the Center , and the Circumference between them . See Pl . 2. Fig . 18 ...
Side 32
... Circumference , that FA , in which the Center is , is the longest , and the other Part FD of that Diameter AD is the leaft ; and of the others , that which is nearer to the Line FA is longer than one more diftant ; thus , FB greater ...
... Circumference , that FA , in which the Center is , is the longest , and the other Part FD of that Diameter AD is the leaft ; and of the others , that which is nearer to the Line FA is longer than one more diftant ; thus , FB greater ...
Side 33
... Circumference . Then we affirm , that of those which fall upon the concave Part of the Circumference AEFC , the greatest fhall be DA , which paffes thro ' the Center M ; and the nearer to it greater than the more remote , viz . DE r DF ...
... Circumference . Then we affirm , that of those which fall upon the concave Part of the Circumference AEFC , the greatest fhall be DA , which paffes thro ' the Center M ; and the nearer to it greater than the more remote , viz . DE r DF ...
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Vanlige uttrykk og setninger
ABCD alfo alſo Altitude anfwering Bafe Barometer Baſe becauſe bifect Cafe Center Characteriſtick Chord Circle Circumference Cofine Compaffes confequently Conftruction contained COROLLARY decimal defcribe Degrees demonftrated Diameter Diſtance divided Divifion draw Effay equal Euclid Example faid fame Manner fame Ratio fecond Feet fhall fhew fhewn fimilar find the Height firft firſt fome ftand fubtract fuch fufficient fuppofe Geometry given Line greater Hence Hypothenufe Interfection join laft leffer lefs Logarithm Magnitudes manifeft meaſuring muſt Number obferve oppofite Sides Parallelogram Perpendicular Polygon PROBLEM Propofition Proportion quired Reaſon Rectangle Refpects reprefent right Angle right Line Scale Scholium Secant Segment Semicircle ſhall Sine Square Suppofition Tangent thefe THEOREM Thermometer theſe thoſe Triangle Trigono Trigonometry Uſe whofe
Populære avsnitt
Side 29 - The lines do not run in a uniform direction from the left to the right, or from the right to the left...
Side 106 - AB, remains the same as it was : Nor is it part of the length of the line AB ; for, if AB be removed from the line KB, the point B, which is the extremity of the line KB, does...
Side 120 - If a point be taken within a circle, from which there fall more than two equal straight lines to the circumference, that point is the centre of the circle. Let...
Side 15 - If two triangles have one angle of the one equal to one angle of the other, and the sides about the equal angles proportionals, the triangles shall be equiangular, and shall have those angles equal which are opposite to the homologous sides.
Side 43 - ... magnitude. For example, if A, B, C, D be four magnitudes of the same kind, the first A is said to have to the last D the ratio compounded of the ratio of A to B, and of the ratio of B to C, and of the ratio of C to D; or, the ratio of A to D is said to be compounded of the ratios of A to B, B to C, and C to D. And if...
Side 106 - It is necessary to consider a solid, that is, a magnitude which has length, breadth, and thickness, in order to understand aright the definitions of a point, line and superficies ; for these all arise from a solid, and exist in it ; The boundary, or boundaries which contain a solid, are called superficies, or the boundary which is common to two solids which are contiguous, or which divides one solid into two contiguous parts, is called a superficies...
Side 43 - When three magnitudes are proportionals, the first is said to have to the third the duplicate ratio of that which it has to the second.
Side 64 - ... is supposed to be divided into 60 equal parts, called minutes; and each minute into 60 equal parts, called seconds. Degrees, minutes, and seconds, are designated respectively, by the characters ° ' ". For example, ten degrees, eighteen minutes, and fourteen seconds, would be written 10° 18
Side 18 - If two triangles have two sides of the one equal to two sides of the...
Side 106 - KBCL which is contiguous to it, this boundary BC is called a line, and has no breadth : For if it have any, this...