| Robert Simson - Trigonometry - 1804 - 530 pages
...thing." XIV. A figure is that which is inclofed by one or more boundaries XV. Book A circle is a plain **figure contained by one line, which is called the circumference, and is** fuch that all ftraight lines drawn from a certain point within the figure to the circumference, are... | |
| Robert Simson - Trigonometry - 1806 - 546 pages
...boundaries. XV. Book I. A circle is a plane figure contained by one line, which is called l •»•j< **the circumference, and is such that all straight lines...And this point is called the centre of the circle.** XVH. A diameter of • circle is a straight line drawn through the centre, and terminated both ways... | |
| John Playfair - Euclid's Elements - 1806 - 320 pages
...right angle. X. A figure is that which is inclosed by one or more boundaries. XL A circle is a plane **figure contained by one line, which is called the...figure to the circumference are equal to one another.** XII. And this point is called the centre of the circle. XHL A diameter of a circle is a straight line... | |
| Edward Edwards - Perspective - 1806 - 414 pages
...properties of right lines and angles, it will be neceflary to fpeak of the circle. A CIRCLE is a plain **figure contained by one line, which is called the circumference, and is** fuch, that all ftraight lines drawn from a certain point within the figure to the circumference, are... | |
| Robertson Buchanan - Gearing - 1808 - 216 pages
...lie in one line. 2. A triangle is a figure contained by three straight lines. 3. A circle is a plane **figure contained by one line, which is called the...figure to the circumference, are equal to one another,** and this point is called the centre of the circle. 4. The radius of a circle, is a right line drawn... | |
| John Mason Good - 1813 - 722 pages
...inclosed by one qr more boundaries. 15. A circle is a plane figure contained by one line., which is railed **the circumference, and is such that all straight lines drawn from a** certiiu point within the figure to the circumference, агч equal to one another. 16. And this point... | |
| Charles Butler - Mathematics - 1814 - 528 pages
...figures as are contained by more than one line, as the triangle, square, polygon, &c. are excluded; **"and is such that all straight lines drawn from a certain point within the figure"** (called in the next following definition " the centre") to the circumference, are equal to one another... | |
| Daniel Cresswell - Geometry - 1816 - 352 pages
...OF A SPHERE AND A PLANE. DEFINITIONS. ART. 1. A- Sphere is a solid 'figure contained by one surface, **and is such that all straight lines, drawn from a certain point within the figure to the** surface, are equal to one another : (2.) And this point is called the Center of the Sphere. (3.) A... | |
| John Playfair - 1819 - 354 pages
...figure, without Any reference to the nature of the line or lines which bound it. XI. A circle is a plane **figure contained by one line, which is called the...figure to the circumference, are equal to one another.** And this point is called the centre of the circle. XIII. A diameter of a circle is a straight line... | |
| Euclid, Robert Simson - Geometry - 1821 - 514 pages
...thing." XIV. A figure is that which is inclosed by one or more boundaries. XV. A circle is a plane **figure contained by one line, which is called the...And this point is called the centre of the circle.** xy n. A diameter of a circle is a straight line drawn through the centre, and terminated both ways... | |
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