 | Mathematical association - 1884 - 146 pages
...perpendiculars let fall on it from the extremities of the former. DEF. 41. A circle is a plane figure contained by one line, which is called the circumference, and...figure to the circumference are equal to one another. This point is called the centre of the circle. DEF. 42. A radius of a circle is a straight line drawn... | |
 | Association for the improvement of geometrical teaching - Geometry, Modern - 1884 - 150 pages
...perpendiculars let fall on it from the extremities of the Jor1ner. DEF. 41. A circle is a plane figure contained by one line, which is called the circumference, and...figure to the circumference are equal to one another. This point is called the centre of the circle. DEF. 42. A radius of a circle is a straight line drawn... | |
 | Euclides - 1884 - 434 pages
...combination of points, lines, or surfaces. 16. A circle is a plane figure contained by one (curved) line which is called the circumference, and is such...figure to the circumference are equal to one another. This point is called the centre of the circle. Thus ABCDEFO is a circle, if all the straight lines... | |
 | Stewart W. and co - 1884 - 272 pages
...or more boundaries. XV. A circle is a plane figure contained by one line, called the circumference, such that all straight lines drawn from a certain...figure to the circumference are equal to one another. XVI. This point is called the centre. XVII. A diameter of a circle is a straight line drawn through... | |
 | James Bailey Andrews - Circle-squaring - 1884 - 40 pages
...a plane figure bounded by one line, which is called the circumference ; and is such, that all right 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. A diameter of a circle is a right line drawn through... | |
 | American periodicals - 1884 - 862 pages
...one line [surface] which is called the circumference, and is such that all straight lines [angles] drawn from a certain point within the figure to the circumference are equal to one another. XVI. And this point [line] is called the centre of the circle [axis of the cone]. AXIOMS CALLED POSTULATES... | |
 | Thomas Henry Eagles - 1885 - 404 pages
...CHAPTER II. THE CIRCLE. EUCLID'S well known definition is " A circle is a plane figure •contained by one line, which is called the circumference, and...figure to the circumference are equal to one another : and this point is called the centre of the circle". A radius of a circle is a straight line drawn... | |
 | Euclides - 1885 - 340 pages
...circle is a plane figure formed by a curved line called the circumference, and is such that all right lines drawn from a certain point within the figure to the circumference are equal to one another. This point is called the centre. xxxm. A radius of a circle is any right line drawn from the centre... | |
 | Euclid, John Casey - Euclid's Elements - 1885 - 340 pages
...circle is a plane figure formed by a curved line called the circumference, and is such that all right lines drawn from a certain point within the figure to the circumference are equal to one another. This point is called the centre. xxxin. A radius of a circle is any right line drawn from the centre... | |
 | Association for the Improvement of Geometrical Teaching - Euclid's Elements - 1888 - 208 pages
...by one line, •which is called the circumference, and is such that all straight lines drawn front a certain point within the figure to the circumference are equal to one another. This point is called the centre of the circle. DEF. 2. A radius of a circle is a straight line drawn... | |
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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. 
