| James B. Dodd - 1853 - 398 pages
...radius of a circle is a straight line drawn from the centre to the circumference; and the diameter is a straight line drawn through the centre, and terminated both ways by the circumference. 5 392. An arc of a circle is any part of the circumference; and the chord of an arc is a straight line... | |
| Euclid - Geometry - 1853 - 176 pages
...circumference. 16. A RADIUS of a circle is a straight line drawn from the center to the circumference, 17. A DIAMETER of a circle is a straight line drawn through the center and terminated both ways by the circumference. SCHOLIUM. Thus the curved line ABCDF is the circumference... | |
| Euclides - Geometry - 1853 - 334 pages
...ABC, or DBC, &c. F is the centre ; and FA, FB, FC, &c., are radii. XVII. A diameter of a circle is any straight line drawn through the centre and terminated both ways by the circumference. XVIII. A semicircle is the figure contained by any diameter of a circle, and by either of the two parts... | |
| Thomas Lund - Geometry - 1854 - 520 pages
...measures the distance from the centre to the circumference is called the radius of the circle. Any straight line drawn through the centre and terminated both ways by the circumference is called a diameter of the circle. Thus, in the fig. here traced, the area or surface in the plane... | |
| William Somerville Orr - Science - 1854 - 534 pages
...centre. The radius of a sphere is a straight line drawn from the centre to any point in the sphere. IV. A straight line drawn through the centre, and terminated both ways by the surface of the sphere, is called the diameter. PROPOSITION I. 'Every section of a tpliere made by aplane... | |
| Jeremiah Day - Logarithms - 1855 - 344 pages
...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...by the circumference. A Radius is a straight line extending from the centre to the circumference. A Chord is a straight line which joins the two extremities... | |
| Euclides - 1855 - 270 pages
...the circle. The straight line drawn from the centre to the circumference, ie called the radius. XVII. A diameter of a circle is a straight line drawn through the centre, anc terminated both ways by the circumference. XVIII. A semicircle is the figure contained by a diameter... | |
| Robert Rawson - 1856 - 178 pages
...circumference, are equal to one another. XVL And this point is called the centre of the circle. XVH. A diameter of a circle is a straight line drawn through...centre, and terminated both ways by the circumference. xvin. A semicircle is the figure contained by a diameter and the par* of the circumference cut off... | |
| Mechanical engineering - 1855 - 420 pages
...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,... | |
| Isaac Sharpless - Geometry - 1879 - 282 pages
...lines are called radii, and this point is the centre of the circle. 32. A diameter of a circle is the straight line drawn through the centre, and terminated both ways by the cuctnnference. 33. A semicircle is the figure contained by the diameter and the part of the circumference... | |
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