| Euclides - 1838 - 264 pages
...no necessity to alter the phraseology of the work in this respect. XIV. A diameter of a circle is a **straight line drawn through the centre, and terminated both ways by the** circumference. XV. A semicircle is the figure contained by a diameter, and the part of the circumference... | |
| Euclides - 1841 - 378 pages
...another. XVI. And this point is called the centre of the circle. XVII. A diameter of a circle is a **straight line drawn through the centre, and terminated both ways by the** circumference. XVIII. A semicircle is the figure contained by a diameter and the part of the circumference... | |
| John Playfair - Euclid's Elements - 1842 - 332 pages
...one another . 12. And this point is called the centre of the circle. 13. A diameter of a circle is a **straight line drawn through the centre, and terminated both ways by the** circumference. 14. A semicircle is the figure contained by a diameter and the part of the circumference... | |
| Euclides - 1842 - 320 pages
...to one another. XVL This point is called the centre of the circle. XVII, A diameter of a circle is a **straight line drawn through the centre, and terminated both ways by the** circumference. A semidiameter of a circle is now usually called the radius. XVIII. A semicircle is... | |
| William Pease - Geometry - 1843 - 80 pages
...degree of longitude, depends upon its distance from the equator. XVII. A diameter of a circle is a **straight line drawn through the centre, and terminated both ways by the** circumference. XVIII. A semicircle is the figure contained by a diameter and the part of the circumference... | |
| Philip Kelland - Algebra - 1843 - 168 pages
...inconsistent with the Elements to adopt it in the former case too. • 14. A diameter of a circle is a **straight line drawn through the centre, and terminated both ways by the** circumference. Euclid adds, " which divides the circle into two equal parts. " This addition is in... | |
| Nathan Scholfield - Conic sections - 1845 - 244 pages
...two opposite and similar hyperbolas QA#, Q/a?', which in this case are called opposite hyperbolas. **3. If a straight line be drawn joining the foci, and...4. The distance from the centre to either focus is** sailed the eccentricity. 5. Any straight line drawn through the centre, and terminated by two opposite... | |
| Nathan Scholfield - 1845 - 896 pages
...P,, P,, P3, Join S,P,, H,P,; S,P2, HP, ; S.P3, H,P3; then, SP, + HP, = SP, + HP, = SR. + HP, = 3. It' **a straight line be drawn joining the foci and bisected, the point of bisection is called** the-cen<re. 4. The distance from the centre to either focus is called the eccentricity. 5. Any straight... | |
| Euclides - 1845 - 544 pages
...another. XVI. And this point is called the centre of the circle. XVII. A diameter of a circle is a **straight line drawn through the centre, and terminated both ways by the** circumference. XVIII. A semicircle is the figure contained by a diameter and the part of the circumference... | |
| Scottish school-book assoc - 1845 - 434 pages
...are equal to one another; 15. And this point is called the centre. 16. The diameter of a circle is a **straight line drawn through the centre, and terminated both ways by the** circumference. ' 17- A semicircle is the figure contained by a diameter and the part of the circumference... | |
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