 | David Allan Low - Geometrical drawing - 1912 - 468 pages
...Definitions. — 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 : and this point is called the centre of the circle. . The meanings... | |
 | Charles Leonard-Stuart, George Jotham Hagar - Encyclopedias and dictionaries - 1912 - 666 pages
...devotion to pleasure. Circle, a plane figure contained by one Hue, which is called the circumference, and is such that all straight lines drawn from a certain point (the center) within the figure to the circumference are equal lo one another. Circle, Magic, u space... | |
 | Frederick Converse Beach, George Edwin Rines - Encyclopedias and dictionaries - 1912 - 916 pages
...Australe. Circle, in geometry, a plane ligure contained by one line, which is called the "circumference" and is such that all straight lines drawn from a certain point (the "centre") within the figure to the circumference are equal to one another. According to this definition... | |
 | Charles Morris - Encyclopedias and dictionaries - 1923 - 496 pages
...expanding. Circle ts'.r'kl)> * plane figure con"" tained by one line, which is called the circumference, and is such that all straight lines drawn from a certain point (the center) within the figure to the circumference are equal to one another. The properties of the... | |
 | D. Ponton - Mathematics - 1927 - 168 pages
...or more lines. 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. This point is called the Centre of the Circle, and the straight... | |
 | Carl Sandburg - 1926 - 528 pages
...breadth; (15) 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 of the circle. Also... | |
 | R. H. Warn, John G. Horner - Crafts & Hobbies - 2002 - 292 pages
...boundaries. 12. 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 (Fig. 4). 13. And this point is called the centre of the circle (Fig. 4,0).... | |
 | N.M. Kapoor - 2006 - 886 pages
...area = n (R2 + r2 + R/ + rl) Slant height (/) = V/.2 + (Rr)2 8. Sphere : A sphere is a solid bounded by one surface and is such that all straight lines drawn from a certain point within the solid to the bounding surface are equal. This certain point is called the centre of the sphere. A line... | |
| |
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. 
