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 Llibres Llibres 61 - 70 de 173 sobre Triangles upon equal bases, and between the same parallels, are equal to one another.. Triangles upon equal bases, and between the same parallels, are equal to one another. A Treatise of Practical Surveying, ... - Pàgina 35
per Robert Gibson - 1808 - 440 pàgines
Visualització completa - Sobre aquest llibre Cambridge examination papers: a suppl. to the University calendar, 1856-59

...alternate angles equal to each other, these two straight lines shall be parallel. 4. Parallelograms upon equal bases, and between the same parallels, are equal to one another. 6. If a straight line be divided into any two parts, the rectangle contained by the whole and one of...
Visualització completa - Sobre aquest llibre The geometry of the three first books of Euclid, by direct proof from ...

Euclides - 1856
...parallelogram DBCF (Prop. 37) ; wherefore the triangle ABC is equal to the triangle DEC. XL. Triangles upon equal bases and between the same parallels are equal to one another. Let the triangles ABC, DEF (Fig. 32) be upon equal bases BC, EF, and between the same parallels BF,...
Visualització completa - Sobre aquest llibre The Calendar of King's College, London

...base AB, but on opposite sides of it; join CD, cutting AB in E: then shall CE = ED. 10. Triangles upon equal bases, and between the same parallels, are equal to one another. 11. In a circle, the angle in a semicircle is a right angle ; but the angle in a segment greater than...
Visualització completa - Sobre aquest llibre Gradations in Euclid : books i. and ii., with an explanatory preface [&c ...

Euclides - 1858
...four-sided figure, of which the opposite sides are parallel. DEMONSTRATION. — P. 38. Triangles upon equal bases and between the same parallels are equal to one another. P. 41. If a parallelogram and a triangle be upon the same base and between the same parallels, the...
Visualització completa - Sobre aquest llibre Examination papers used at the examinations for admission to the Royal ...

Sandhurst roy. military coll - 1859 - 1869 pàgines
...bisect a given rectilineal angle, that is, to divide it into two equal angles. 2. Parallelograms on equal bases, and between the same parallels, are equal to one another. 3. In obtuse-angled triangles if a perpendicular be drawn from either of the acute angles to the opposite...
Visualització completa - Sobre aquest llibre Euclid's Elements of plane geometry [book 1-6] explicitly enunciated, by J ...

Euclides - 1860
...therefore the triangle ABC is equal to the triangle DBC. . - . PROPOSITION XXXVUI. THEOREM. Triangles upon equal bases, and between the same parallels, are equal to one another. Given the triangles ABC and DEF upon equal bases BC and EF, and between the same parallels BF, AD ;...
Visualització completa - Sobre aquest llibre Euclid's Elements of Geometry: Chiefly from the Text of Dr. Simson, with ...

Robert Potts - 1860 - 361 pàgines
...equal to the triangle DBC. Wherefore, triangles, &c. QED PROPOSITION XXXViII. THEOREM. T•iangles upon equal bases and between the same parallels, are equal to one another. Let the triangles ABC, DEF be upon equal bases BC, EF, and between the same parallels BF, AD. Then...
Visualització completa - Sobre aquest llibre The examination papers as set for the preliminary literary examination of ...

...three interior angles of every triangle are together equal to two right angles. 5. Parallelograms upon equal bases and between the same parallels are equal to one another. 6. If a straight line be divided into any two parts, the squares on the whole line and one of the parts...
Visualització completa - Sobre aquest llibre Euclid's plane geometry, books iii.-vi., practically applied; or, Gradations ...

Euclides - 1861
...a st. L. 3, I. From the gr. of two st. Ls. to cut off a pt. = the less. DEM. 38, 1. Triangles upon equal bases and between the same parallels are equal to one another. 1, V. Def. 5, V. The 1st of four Ms is said to have the same ratio to the 2nd which the 3rd has to...
Visualització completa - Sobre aquest llibre Examination papers used at the examinations for direct commissions [&c.].

War office - 1861 - 12 pàgines
...why the product is not the square root of the product of 8 and •0002. EUCLID 1. Parallelograms on equal bases and between the same parallels are equal to one another. 2. If the square described on one of the sides of a triangle be equal to the squares described on the...
Visualització completa - Sobre aquest llibre