 | Thomas Kelt - 1849 - 424 σελίδες
...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 σελίδες
...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 σελίδες
...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.... | |
 | Sir Henry Edward Landor Thuillier - 1851 - 826 σελίδες
...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 - 418 σελίδες
...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... | |
 | Euclides - 1852 - 152 σελίδες
...centre of the circle. [In the above figures A is the centre of the circle; B is not the centre.] 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 B. Dodd - 1852 - 410 σελίδες
...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. § 392. An arc of a circle is any part of the circumference ; and the chord of an arc is a straight... | |
 | Royal Military Academy, Woolwich - 1853 - 400 σελίδες
...lines drawn from a certain point within the figure to the circumference are equal to one another. 16. And this point is called the centre of the circle....centre, and terminated both ways by the circumference. 18. A semicircle is the figure contained by a diameter and the part of the circumference cut otf by... | |
 | Euclides - 1853 - 146 σελίδες
...circumference are equal to one another. XVI. 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... | |
 | Euclides - 1853 - 176 σελίδες
...circumference, are equal to one another. XVI. 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 b the figure contained by a diameter and the part of the circumference cut off... | |
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A circle is a plane figure contained by one line, which 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 : 16. And this point is called the centre... 
