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A straight line is said to be cut in extreme and mean ratio, when the whole is to the greater segment as the greater segment is to the less.
Euclid's Elements of Geometry: From the Latin Translation of Commandine, to ... - Pagina 147
door John Keill - 1782 - 399 pagina’s
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Euclid's Elements of Geometry: Chiefly from the Text of Dr. Simson, with ...

Robert Potts - 1860 - 361 pagina’s
...the remaining side of the first." III. A straight line is said to be cut in extreme and mean ratio, when the whole is to the greater segment, as the greater segment is to the less. IV. The altitude of any figure is the straight line drawn from its vertex perpendicular to the...
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Euclid's plane geometry, books iii.-vi., practically applied; or, Gradations ...

Euclides - 1861
...CD : EF, the proportion is direct. III. A straight line is said to be cut in extreme and mean ratio, when the whole is to the greater segment, as the greater segment is to the less ; thus in the line AB and its parts, » с AB:AC = AC:CB. For EUCLID'S definition, LARDWER substitutes,...
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The school edition. Euclid's Elements of geometry, the first six books, by R ...

Euclides - 1864
...the remaining side of the first." III. A straight line is said to be cut in extreme and mean ratio, when the whole is to the greater segment, as the greater segment is to the less. IV. The altitude of any figure is the straight line drawn from its vertex perpendicular to the...
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The College Euclid: Comprising the First Six and the Parts of the Eleventh ...

Euclides - 1865
...to the remaining side of the first.' m. A straight line is said to be cut in extreme and mean ratio, when the whole is to the greater segment, as the greater segment is to the less. IV. The altitude of any figure is the straight line drawn from its vertex perpendicular to the...
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The Elements of Euclid for the Use of Schools and Colleges: Comprising the ...

Euclid, Isaac Todhunter - 1867 - 400 pagina’s
...to the remaining side of the first. 3. A straight line is said to be cut in extreme and mean ratio, when the whole is to the greater segment as the greater segment is to the less. 4. The altitude of any figure is the straight line drawn from its vertex perpendicular to the...
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Euclid's Elements of Geometry: Chiefly from the Text of Dr. Simson, with ...

Robert Potts - 1868 - 410 pagina’s
...to the remaining side of the first." m. A straight line is said to be cut in extreme and mean ratio, when the whole is to the greater segment, as the greater segment is to the less. IV. The altitude of any figure is the straight line drawn from its vertex perpendicular to the...
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Elements of geometry, containing books i. to vi.and portions of books xi ...

Euclides, James Hamblin Smith - 1872 - 349 pagina’s
...described as was required. QEF DEF. V. A straight line is said to be cut in extreme and mean ratio, when the whole is to the greater segment as the greater segment is to the less. PROPOSITION XXX. PROBLEM. (Eucl. vi. 30.) To cut a straight line in extreme and mean ratio. ji...
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The Elements of Euclid, containing the first six books, with a selection of ...

Euclides - 1874
...to the remaining side of the first." 3. A straight line is said to be cut in extreme and mean ratio, when the whole is to the greater segment, as the greater segment is to the less. .4. The altitude of any figure is the straight line drawn from its vertex perpendicular to the...
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A graduated course of problems in practical plane and solid geometry

...proportion in the point F. NOTE. — "A straight line is said to be cut in extreme and mean ratio, when the whole is to the greater segment as the greater segment is to the less " (Euo. VI., Def. 3). Problem 146. To divide a given straight line AB successively into its half,...
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Euclid's Elements of Geometry: Chiefly from the Text of Dr. Simson, with ...

Robert Potts - 1876 - 403 pagina’s
...the remaining side of the first." in. A straight line is said to be cut in extreme and mean ratio, when the whole is to the greater segment, as the greater segment is to the less. IV. . The altitude of any figure is the straight line drawn from its vertex perpendicular to...
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