 The radius of a circle is a straight line drawn from the center to the circumference, and is equal to one-half the diameter.  Working Drawings - Page 152by Arthur Bradford Babbitt - 1911 - 201 pagesFull view - About this book
 | John Newell Tilden - Geography - 1899 - 248 pages
...straight line which passes through its center, and terminates at opposite points of the .circumference. A radius of a circle is a straight line drawn from the center to the circumference. Every circle is divided into 360 equal parts, called degrees (°). Degrees are subdivided... | |
 | Samuel Wesley Baird - Arithmetic - 1901 - 172 pages
...point in the circumference, through the center, and terminating in the circumference opposite, as AB. The Radius of a circle is a straight line drawn from the center to the circumference, as CD. 1. Draw on the blackboard a circle having a diameter 7 in. long. With the... | |
 | 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... | |
 | Arnold Lupton - Coal mines and mining - 1902 - 494 pages
...a straight line drawn through the centre, terminated both ways by the circumference (BC, Fig. 65). The radius of a circle is a straight line drawn from the centre to the circumference (AB, Fig. 65). The circumference of a circle is the line described by the... | |
 | 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. — Multiply... | |
 | Fletcher Durell - Geometry, Plane - 1904 - 382 pages
...center, as the circle 0; or by naming two or more points on its circumference, as the circle ACD. 198. A radius of a circle is a straight line drawn from the center to any point on the circumference, as AO. A diameter of a circle is a straight line drawn through the... | |
 | Fletcher Durell - Geometry - 1911 - 553 pages
...center, as the circle 0; or by naming two or more points on its circumference, as the circle ACD. 198. A radius of a circle is a straight line drawn from the center to any point on the circumference, as AO. A diameter of a circle is a straight line drawn through the... | |
 | Fletcher Durell - Geometry, Solid - 1904 - 232 pages
...curved line, all points of which are equally distant from a point within called the center. 198. A radius of a circle is a straight line drawn from the center to any point on the circumference. 208. Radii of the same circle, or of equal circles, arc equal. 217.... | |
 | Isaac Newton Failor - Geometry - 1904 - 100 pages
...curved line which bounds the circle. The point 0 is the center of the circle. The radius (plural radii) of a circle is a straight line drawn from the center to the circumference; as, OG (Fig. 89). The diameter of a circle is a straight line drawn through the... | |
 | 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... | |
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