 The diameter of a circle is a straight line drawn through the center and terminating in the circumference. A radius is a straight line joining the center with the circumference. It has a length equal to one half the diameter. All radii (plural of radius)...  Modern Engineering Practice: A Reference Library... - Page 59by American School (Chicago, Ill.) - 1906Full view - About this book
 | Frederick Eugene Turneaure - Civil engineering - 1909 - 456 pages
...whose sides are equal. CIRCLES. A circle is a plane figure bounded by a curved line, every point B£ which is equally distant from a point within called...diameters are equal since a diameter equals two radii. Au arc equal to one-half the circumference is called a Minicircumference, and an arc equal to one-quarter... | |
 | American School of Correspondence - Civil engineering - 1909 - 476 pages
...equal. CIRCLES. A circle is a plane figure bounded by a curved line, every point »f which is equiilly distant from a point within called the center. The...diameters are equal since a diameter equals two radii. PENTAGON. An arc equal to one-half the circumference is called a temicircumference, and an arc equal... | |
 | William A. Radford, Alfred Sidney Johnson - Architecture - 1909 - 380 pages
...center to the circumference; hence, all the radii of a circle are equal, as AB, AD, AC, AE, in Fig. 17. The Diameter of a Circle is a straight line drawn through the center and terminated on each side by the circumference; consequently the circumference is exactly twice the length... | |
 | 1912 - 558 pages
...circumference, every point of which is equally distant from a point within called the center, Fig. 58. A diameter of a circle is a straight line drawn through the center, terminating at both ends in the circumference, Fig. 59. Fig. 58. Circle Fig. 59. Diameter and Tangent... | |
 | Architectural drawing - 1910 - 430 pages
...til o 3 31 X •< * o I CIRCLES. A circle is a plane figure bounded by a curved line, every point Df which is equally distant from a point within called...diameters are equal since a diameter equals two radii. PENTAGON. An arc equal to one-half the circumference is called a semicircumference, and an arc equal... | |
 | William Herschel Bruce, Claude Carr Cody (Jr.) - Geometry, Modern - 1910 - 286 pages
...center. 209. A radius is any straight line drawn from the center to the circumference. 210. A diameter is a straight line drawn through the center and terminating in the circumference. 211. A circle is the portion of a plane bounded by the circumference. A circle is indicated by a letter... | |
 | William Herschel Bruce, Claude Carr Cody (Jr.) - Geometry, Modern - 1910 - 284 pages
...the center. 209. A radius is any straight line drawn from the center to the circle. 210. A diameter is a straight line drawn through the center and terminating in the circle. / \^ j 211. The area of a circle is the portion of a plane bounded by the circle. A circle... | |
 | Arthur Bradford Babbitt - Mechanical drawing - 1911 - 226 pages
...cir- * IG" 86 FIG. 87 cumference. Line AB, Fig. 87, is a radius. All the radii of a circle are equal. The diameter of a circle is a straight line drawn through the center and joining two points in the circumference. Line C D, Fig. 87, is a diameter. A diameter is equal to two... | |
 | Frank William Bartlett - Mechanical drawing - 1911 - 216 pages
...cir1'iG. 86 FIG. 87 cumference. Line AB, Fig. 87, is a radius. All the radii of a circle are equal. The diameter of a circle is a straight line drawn through the center and joining two points in the circumference. Line C D, Fig. 87, is a diameter. A diameter is equal to two... | |
 | Thomas Aloysius O'Donahue - Mine surveying - 1911 - 288 pages
...radius of a circle is a straight line drawn from the centre to the circumference, as OC (Fig. 32). The diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference, as AB (Fig. 32). An arc of a circle is any part... | |
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