 | James Maurice Wilson - 1878 - 450 pages
...the circumference are equal to one another. This point is called the centre of the circle. Def. 9. A radius of a circle is a straight line drawn from the centre to the circumference. Def. 10. A diameter of a circle is a straight line drawn through the centre and terminated both ways... | |
 | 218 pages
...diameters : any strelc twice the diameter of another contains four times the area of the other. 8. The radius of a circle is a straight line drawn from the centre to the circura• «j rence, as 0 B. 4. The diameter of a circle is a straight line drawn through the centre,... | |
 | Āryabhaṭa - 1878 - 100 pages
...both ways by the circumfer|nce. The straight line AC in figure : Prop. 1. is a diameter.] IX. A radius is a straight line drawn from the centre to the circumference. [The straight line FA in the circle ABCD is a radius.] X. A semicircle is the figure contained by a diameter... | |
 | Isaac Todhunter - Euclid's Elements - 1880 - 426 pages
...circle is a straight line drawn through the centre, and terminated both ways by the circumference. [A radius of a circle is a straight line drawn from the centre to the circumference.] 18. A semicircle is the figure contained by a diameter and the part of the circumference cut off by... | |
 | Joseph Ficklin - Arithmetic - 1881 - 406 pages
...Circumference, all points of which are equally distant from a point within, called the Centre. The Radius of a circle is a straight line drawn from the centre to the circumference. The Diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference.... | |
 | Joseph Ficklin - Arithmetic - 1881 - 412 pages
...Circumference, all points of which are equally distant from a point within, called the Centre. The Badius of a circle is a straight line drawn from the centre to the circumference. The Diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference.... | |
 | Walter Smith - Drawing - 1882 - 244 pages
...Outer. REDUCTION FROM THE BLACKBOARD. — Concentric circles are circles which have a common centre. The radius of a circle is a straight line drawn from the centre to the circumference; ie, half a diameter. It must be remembered that accuracy of work should not be expected from little... | |
 | William Dodds - 1883 - 198 pages
...and this point is called the centre of the circle. ABGD is the circumference, and 0 the centre. 97. A radius of a circle is a straight line drawn from the centre to the circumference. 0 A is a radius ; 0 D and 0 G are also radii. 98. A diameter of a circle is a straight line drawn through... | |
 | Mathematical association - 1883 - 86 pages
...the circumference are equal to one another. This point is called the centre of the circle. DEF. 9. A radius of a circle is a straight line drawn from the centre to the circumference. DEF. 10. A diameter of a circle is a straight line drawn through the centre and terminated both ways... | |
 | Frederick Thomas Hodgson - Carpentry - 1883 - 168 pages
...circumference, every part of which is equally distant from a point within it, called the centre, as a. 37. The Radius of a circle is a straight line drawn from the centre to the circumference; hence, all the radii (plural for radius) of the same circle are equal, as ba, c .r, ea, fa, in Fig.... | |
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A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference. 
