 | Euclides - 1848 - 52 páginas
...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... | |
 | Jeremiah Day - 1848 - 358 páginas
...any portion of the circumference. A semi.circle is half, and a quadrant onefourth of a circle. II. A Diameter of a circle is a straight line drawn through...centre, and terminated both ways by the circumference. A Radius is a straight line extending from the centre to the circumference. A Chord is a straight line... | |
 | Charles Richson - 1848 - 98 páginas
...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... | |
 | James Thomson - 1848 - 326 páginas
...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 - 306 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... | |
 | Euclid, Thomas Tate - 1849 - 120 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 - 424 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 - 170 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 Chamberlain Smith - 1850 - 314 páginas
...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.... | |
 | Janet Taylor - 1851 - 692 páginas
...line, as ABH, drawn through the centre of the circle and terminated each way by the circumference. A semicircle is the figure contained by a diameter...part of the circumference cut off by the diameter, as ADH, or AGH. The half circumference contains 180°. The radius of a circle is a straight line drawn... | |
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A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference. 
