 | John Playfair - Mathematics - 1806 - 320 pages
...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 base. Book VI. PROP. I. THEOR. TRIANGLES of the same altitude are to one another as their bases... | |
 | Robert Simson - Trigonometry - 1806 - 546 pages
...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 base. PROP. I. THEOR. See N. TRIANGLES and parallelograms of the same altitude are one to another... | |
 | John Mason Good - 1813 - 714 pages
...manner, that a side of the first figure is to a side of the other, as the remaining side of this other is to the remaining side of the first. 3. A straight...straight line drawn from its vertex perpendicular to the base. Prop. I. Tin or. Triangles and parallelograms of the same altitude are one to another as... | |
 | John Playfair - 1819 - 354 pages
...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 base. PROP. I. THEOR. Triangles and parallelograms, of the same altitude, are one to another as... | |
 | George Lees - 1826 - 276 pages
...sides of the second, as the remaining side of the second is to the remaining side of the first. III.— The altitude of any figure is the straight line drawn from its vertex perpendicular to its base. Book IV. PROP. I. THEOREM. Triangles of the same altitude are to one another as their bases. Let the... | |
 | Euclid, John Playfair - Euclid's Elements - 1826 - 326 pages
...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 perpendieular to the base. "f PROP. I. THEOR. Triangles and parallelograms, of the same Altitude, are... | |
 | Robert Simson - Trigonometry - 1827 - 546 pages
...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 base. PROP. I. THEOR. Tria?1gles and parallelograms of the same altitude are SeeN. one to another... | |
 | John Playfair - Geometry - 1829 - 210 pages
...lines have. ED. 3. A straight line is said to be cut in extreme and mean ratio, when the whole line is to the greater segment as the greater segment is...straight line drawn from its vertex perpendicular to the base. PROPOSITION I. THEOREM. Triangles of the same altitude are to one another as their bases;... | |
 | Euclid - 1835 - 540 pages
...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 base. Book VI. ^ PROP. I. THEOR. see N. Triangles and parallelograms of the same altitude are one... | |
 | Mathematics - 1836 - 488 pages
...2. Two sides of one figure are sakl to be reciprocally proportional to two sides of another, whet) one of the sides of the first is to one of the sides...straight line drawn from its vertex perpendicular to the base. PROP. I. Triangles and parallelograms, of the same altitude, are one to another as their... | |
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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. 
