| Charles Richson - 1848
...of the circle." (A pair of dividers or compasses will be useful in explaining this definition.} 2. **"A diameter of a circle is a straight line drawn through...centre, and terminated both ways by the circumference.** ' ' 3. "A semicircle is the figure contained by a diameter, and the part of the circumference cut off... | |
| Euclides - 1848
...circumference, are equal to one another. XVI. And this point is called ttas centre of the circle. XVII. **A diameter of a circle is a straight line drawn through...centre, and terminated both ways by the circumference.** XVIII. A semicircle is the figure contained by a diameter and the part of the circumference cut off... | |
| James Thomson - 1848
...the transverse, and DE the conjugate or second axis.* In both the ellipse and the hyperbola also, any **straight line drawn through the centre, and terminated both ways by the** curve is called a diameter. 5. From the equation of the ellipse found in No. 3, we have a2 : 62 : :... | |
| Minard Lafever - 1849 - 119 páginas
...every where equi-distant from a certain point within the circle, called the centre. (Fig. 23.) XXXI. **A diameter of a circle is a straight line drawn through...centre, and terminated both ways by the circumference.** (Fig. 23.) XXXII. A radius of a circle is half of a diameter, or a straight line drawn from the centre... | |
| Euclides, Thomas Tate - 1849 - 108 páginas
...circumference are equal to one another. A VI. And this point is called the centre of the circle. XVII. **A diameter of a circle is a straight line drawn through...centre, and terminated both ways by the circumference.** XVIII. A semicircle is the figure contained by a diameter and the part of the circumference cut off... | |
| Thomas Kelt - 1849 - 403 páginas
...The radius of a circle is a straight line drawn from the centre to the circumference, as O B. 4. The **diameter of a circle is a straight line drawn through the centre, and terminated both ways** at the circumference, as CO A. 5. A chord is a straight line joining any two points of the circumference,... | |
| Almon Ticknor - 1849 - 156 páginas
...sector is any part of a circle bounded by an arc, and its two radii drawn to its extremities. 37. The **diameter of a circle is a straight line drawn through the centre,** terminated both ways by the circumference. (Fig. 17.) 38. An ellipsis or oval, is a curve which returns... | |
| ROSWELL C. SMITH - 1850
...from a certain point within it, called the CENTRE. An ARC is any part of the circumference. 35. The **DIAMETER of a circle, is a straight line drawn through the centre and** terminating in the circumference on each side. A Q. What is a Quadrilateral? 27. Parallelogram? 27.... | |
| Ralph Smyth, Sir Henry Edward Landor Thuillier - 1851 - 718 páginas
...point within the same figure called the Centre, thus : ABDE is the circumference and C the centre. The **Diameter of a circle is a straight line drawn through...and terminated •*' both ways by the circumference,** thus : AB is the diameter of the circle ADBE. The Radius of a circle is a straight line drawn from... | |
| Jeremiah Day - 1851
...periphery. An arc is any portion of the circumference. A semi-circle is half, and a quadrant one fourth, **of a circle. % II. A Diameter of a circle is a straight line drawn through the** center, and terminated both ways by the circumference. A Radius is a straight line extending from the... | |
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