Elements of Geometry: Containing the First Six Books of Euclid, with a Supplement on the Quadrature of the Circle, and the Geometry of Solids; to which are Added Elements of Plane and Spherical Trigonometry |
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Side 109
When there is any number of magnitudes greater than two , of which the first has
to the second the same ratio that the second has to the the third , and the second
to the third the same ratio which the third has to the fourth , and so on , the ...
When there is any number of magnitudes greater than two , of which the first has
to the second the same ratio that the second has to the the third , and the second
to the third the same ratio which the third has to the fourth , and so on , the ...
Side 110
to C , a ratio , which is compounded of two equal ratios , is dupli66 cate of either
of these ratios . ' XII . If four magnitudes are continual proportionals , the ratio of
the first to the fourth is said to be triplicate of the ratio of the first to the second , or
...
to C , a ratio , which is compounded of two equal ratios , is dupli66 cate of either
of these ratios . ' XII . If four magnitudes are continual proportionals , the ratio of
the first to the fourth is said to be triplicate of the ratio of the first to the second , or
...
Side 145
But the ratio of K to M is that which is said to be compounded ( def . 10. 5. ) of the
ratios of K to L , and L to M ; wherefore also K has to M the ratio compounded of
the ratios of the A D H sides of the parallelograms . Now , because as BC to CG ...
But the ratio of K to M is that which is said to be compounded ( def . 10. 5. ) of the
ratios of K to L , and L to M ; wherefore also K has to M the ratio compounded of
the ratios of the A D H sides of the parallelograms . Now , because as BC to CG ...
Side 206
the ratio of the solid AF to the solid GO is compounded of the ratios of the base
AC to the base GK , and of the altitude AE to the altitude GM . Case 2. When the
insisting lines are not perpendicular to the bases . Let the parallelograms AC and
...
the ratio of the solid AF to the solid GO is compounded of the ratios of the base
AC to the base GK , and of the altitude AE to the altitude GM . Case 2. When the
insisting lines are not perpendicular to the bases . Let the parallelograms AC and
...
Side 208
as also the parallelograms AH , KR ; therefore , H G R F lo P D lo M N A B L the
ratios of AB to KL , of AE to KO , and of AD to KN are all equal ( def . 1. 6. ) . But
the ratio of the solid AG to the solid KQ is compounded of the ratios of AC to KM ...
as also the parallelograms AH , KR ; therefore , H G R F lo P D lo M N A B L the
ratios of AB to KL , of AE to KO , and of AD to KN are all equal ( def . 1. 6. ) . But
the ratio of the solid AG to the solid KQ is compounded of the ratios of AC to KM ...
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Elements of Geometry: Containing the First Six Books of Euc, With a ... Formerly Chairman Department of Immunology John Playfair,John Playfair Ingen forhåndsvisning tilgjengelig - 2017 |
Vanlige uttrykk og setninger
ABCD altitude angle ABC angle BAC arch base bisected Book called centre circle circle ABC circumference coincide common cosine cylinder definition demonstrated described diameter difference divided double draw drawn equal equal angles equiangular Euclid extremity fall fore four fourth given given straight line greater half inscribed interior join less Let ABC magnitudes manner meet multiple opposite parallel parallelogram pass perpendicular plane polygon prism produced PROP proportionals proposition proved Q. E. D. PROP radius ratio reason rectangle contained rectilineal figure right angles segment shewn sides similar sine solid square straight line taken tangent THEOR thing third touches triangle ABC wherefore whole
Populære avsnitt
Side 56 - If a straight line be divided into two equal parts, and also into two unequal parts; the rectangle contained by the unequal parts, together with the square of the line between the points of section, is equal to the square of half the line.
Side 19 - A circle is a plane figure contained by one line, which is called the circumference, and is such that all straight lines drawn from a certain point within the figure to the circumference, are equal to one another.
Side 33 - THE greater angle of every triangle is subtended by the greater side, or has the greater side opposite to it.
Side 62 - In every triangle, the square on the side subtending either of the acute angles, is less than the squares on the sides containing that angle, by twice the rectangle contained by either of these sides, and the straight line intercepted between the...
Side 62 - In obtuse-angled triangles, if a perpendicular be drawn from either of the acute angles to the opposite side produced, the square of the side subtending the obtuse angle, is greater than the squares of the sides containing the obtuse angle, by twice the rectangle contained by the side upon which, when produced, the perpendicular falls, and the straight line intercepted without the triangle, between the perpendicular and the obtuse angle. Let ABC be an obtuse-angled triangle, having the obtuse angle...
Side 130 - 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.
Side 76 - THE diameter is the greatest straight line in a circle; and, of all others, that which is nearer to the centre is always greater than one more remote ; and the greater is nearer to the centre than the less.* Let ABCD be a circle, of which...
Side 36 - IF two triangles have two sides of the one equal to two sides of the other, each to each, but the angle contained by the two sides of one of them greater than the angle contained by the two sides equal to them, of the other ; the base of that which has the greater angle shall be greater than the base of the other.
Side 18 - When a straight line standing on another straight line makes the adjacent angles equal to one another, each of the angles is called a right angle ; and the straight line which stands on the other is called a perpendicular to it.
Side 55 - If a straight line be divided into any two parts, the rectangle contained by the whole and one of the parts, is equal to the rectangle contained by the two parts, together with the square of the aforesaid part.
Bibliografisk informasjon
| Tittel | Elements of Geometry: Containing the First Six Books of Euclid, with a Supplement on the Quadrature of the Circle, and the Geometry of Solids; to which are Added Elements of Plane and Spherical Trigonometry |
| Forfatter | John Playfair |
| Redaktør | John Playfair |
| oversatt av | John Playfair |
| Utgave | 5 |
| Utgiver | G. Long, 1819 |
| Original fra | University of Michigan |
| Digitalisert | 11. jun 2007 |
| Lengde | 333 sider |
| Eksporter sitat | BiBTeX EndNote RefMan |