 | Theophilus Nelson - Geometry, Modern - 1902 - 154 pages
...circumference. 29. The straight lines OA, OB, OC, etc., are radii of the circle. Definition : — A radius of a circle is a straight line drawn from the centre to any point on the circumference. Definition: — An arc is a portion of a circumference. Name the arcs... | |
 | Alvord D. Robinson - Arithmetic - 1902 - 652 pages
...distant from a point within, called the center. The Circumference is the bounding line of a circle. The Radius of a circle is a straight line drawn from the circumference to the center. The Diameter is a straight line drawn through the center, with the ends... | |
 | Philip Devereux Johnston - Mechanical drawing - 1903 - 220 pages
...Circumference, all points of which are equally distant from a point within called the Centre. 48 A Radius of a circle is a straight line drawn from the centre to the circumference. 0 49 A Diameter of a circle is any straight line passing through the centre and having its extremities... | |
 | Euclid, Rupert Deakin - Geometry - 1903 - 218 pages
...right angles. 14. The perimeter of a figure is the total length of the lines which bound it. 15. A radius of a circle is a straight line drawn from the centre to the circumference. EXERCISES. 1. Derive and explain the words adjacent and vertical, as applied to (1) lines and (2) angles.... | |
 | Joseph Ray - Arithmetic - 1903 - 366 pages
...circle is a straight line passing through the center, and terminated, both ways, by the circumference. The radius of a circle is a straight line drawn from the center to the circumference ; it is half the diameter. 247. To find the area of a parallelogram : Rule.... | |
 | Euclid - Euclid's Elements - 1904 - 488 pages
...to the circumference are equal to one another ; this point is called the centre of the circle. 16. A radius of a circle is a straight line drawn from the centre to the circumference. 17. A diameter of a circle is a straight line drawn through the centre, and terminated both ways by... | |
 | J. W. Riley - Carpentry - 1905 - 522 pages
...21. that all points in it are equidistant from a point within the circle called the centre (Fig. 22). The radius of a circle is a straight line drawn from the centre to the circumference. It follows from the definition Fm. 22. Chord Fio. 24. of the circle that all radii of the same circle... | |
 | Leonard Elliott Brookes - Machine-shop practice - 1906 - 664 pages
...their diameters. Any circle twice the diameter of another contains four times the area of the other. The radius of a circle is a straight line drawn from the centre to the circumference as LM— Fig. 63. The diameter of acirde is a straight line drawn through the centre, and terminated... | |
 | Calvin Franklin Swingle, Frederick John Prior - Air-brakes - 1906 - 676 pages
...diameters. Any circle twice the diameter of another contains four times the area of the other. Fig. 63. The radius of a circle is a straight line drawn from the centre to the circumference as LM — Fig. 63. The diameter of acirde is a straight line drawn through the centre, and terminated... | |
 | Civil engineering - 1906 - 590 pages
...passing through the center and terminated at both ends by the circumference. (See AB, Fig. 26.) 69. The radius of a circle is a straight line drawn from the center to the circumference. It is equal in length to one-half A the diameter. The plural of radius... | |
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A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference. 
