| Euclid, James Williamson - Euclid's Elements - 1781 - 309 pages
...extremity of any thing is called A TERM. 14. Thefpace bounded by one or more terms is called a FIGURE. 15. **A CIRCLE is a plane figure bounded by one line, which is called** a CIRCUMFERENCE : upon which all the ftraight lines falling, from oNE PoINT of thofe lying within the... | |
| John Playfair - Euclid's Elements - 1806 - 311 pages
...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 circumference, and...straight lines drawn from a certain point within the** figure to the circumference are equal to one another. XII. And this point is called the centre of the... | |
| Robert Simson - Trigonometry - 1806 - 518 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 drawn from a certain point within the** figure to the circumference, are equal to one another:. XVI. And this point is called the centre of... | |
| Robertson Buchanan - Gearing - 1808 - 164 pages
...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 circumference, and...straight lines drawn from a certain point within the** figure to the circumference, are equal to one another, and this point is called the centre of the circle.... | |
| John Mason Good - 1813
...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... | |
| Euclides - 1814 - 558 pages
...is inclosed by one or more boundaries. XV. A circle is a plane figure contained by one line, winch **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. XVI. And this point is called the centre of... | |
| 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... | |
| Daniel Cresswell - Geometry - 1816 - 294 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.... | |
| John Playfair - 1819 - 317 pages
...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 circumference, and...straight lines drawn from a certain point within the** figure to the circumference, are equal to one another. And this point is called the centre of the circle.... | |
| Euclid, Robert Simson - Geometry - 1821 - 514 pages
...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 circumference, and...straight lines drawn from a certain point within the** figure to the circumference, are equal to one another: XVI. And this point is called the centre of... | |
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