 | Seymour Eaton - 1899 - 362 pages
...the triangle is said to be equilateral. 5. A circle is a plane (flat) figure contained by one line called the circumference, and is such that all straight...within the figure to the circumference are equal. This point is called the center of the circle. 6. The radius of a circle is any straight line drawn... | |
 | John Thornton - Physical geography - 1899 - 460 pages
...from a plane. The intersection of two planes is a straight line. A circle is a plane figure bounded by one line, which is called the circumference, and is such that all straight lines drawn from its centre (radii) to the circumference are equal. A sphere, or globe, is a round body bounded by a... | |
 | Euclid, Henry Sinclair Hall, Frederick Haller Stevens - Euclid's Elements - 1900 - 330 pages
...figure. Two figures are said to be equal in area when they enclose equal portions of a plane surface. 15. A circle is a plane figure contained by one line,...figure 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... | |
 | 1901 - 530 pages
...before expanding. Circle is a plane figure contained by one Hue, which is tailed the rircumferenrt, 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. The properties of the... | |
 | G. F. Burn - Geometry - 1903 - 272 pages
...its sides. The periphery is the boundary line of a circle or curved figure. Adjacent means adjoining. A circle is a plane figure contained by one line,...figure to the circumference, are equal to one another. And this point is called the centre of the circle. In Practical Geometry, the circumference of a circle... | |
 | Association for the Improvement of Geometrical Teaching - 1903 - 342 pages
...intercepted between perpendiculars let fall on it from the extremities of the former. DEF. 41. A circlets a plane figure contained by one line, which is called the circumference, and is suck that all straight lines drawn from a certain point within the figure to the circumference are... | |
 | Euclid - Euclid's Elements - 1904 - 488 pages
...circle (i. Def. 15), may also be noted : 22J. A sphere is a solid figure contained by one surface, which is such that all straight lines drawn from a certain point within it to the surface are equal : this point is called the centre of the sphere. A radius of a sphere is... | |
 | William Hughes - 1908 - 942 pages
...the extremity of anything, and a Figure is that which is enclosed by one or more boundaries. Hence A Circle is a plane figure contained by one line, which is called the circumference, and is such thai all straight lines drawn from a certain point within the figure to the circumference are equal... | |
 | William Hughes - 1910 - 934 pages
...the extremity of anything, and a Figure is that which is enclosed by one or more boundaries. Hence A Circle is a plane figure contained by one line,...figure to the circumference are equal to one another. This point is the centre of the circle. A Diameter of a circle is a straight line drawn through the... | |
 | Alexander H. McDougall - Geometry - 1910 - 316 pages
...equal to each other is called a rhombus. A circle is a figure consisting of one closed curved line, called the circumference, and is such that all straight...lines drawn from a certain point within the figure, called the centre, to the circumference are equal to each other. In a circle a st. line drawn from... | |
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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 : 16. 
