Books Books 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. Elements of geometry, containing books i. to vi.and portions of books xi ... - Page 5
by Euclides, James Hamblin Smith - 1872 - 349 pages ## Colliery Surveying: A Primer Designed for the Use of Students and Colliery ...

Thomas Aloysius O'Donahue - Mine surveying - 1896 - 184 pages
...which has all its sides equal, and its angles equal. A circle is a plane figure contained or bounded by one line, which is called the circumference, and is such that all straight lines from a certain point within the figure to the circumference are equal to one another. This point is... ## Elementary Physiography: An Introduction to the Study of Nature

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... ## A Text-book of Euclid's Elements for the Use of Schools. Books I and II, Book 1

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,...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... ## First Stage Practical Plane and Solid Geometry

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,...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... ## The Elements of Plane Geometry

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... ## A Text-book of Euclid's Elements for the Use of Schools, Book 1

Euclid - Euclid's Elements - 1904 - 488 pages
...Two figures are said to be equal in area when they enclose equal fj? portions of a plane surface. 15. A circle is a plane figure contained by one line,...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... ## The advanced class-book of modern geography, by W. Hughes and J.F. Williams ...

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... ## The advanced class-book of modern geography, by W. Hughes and J.F. Williams ...

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,...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... ## Practical Geometry and Graphics

David Allan Low - Geometrical drawing - 1912 - 468 pages
...term " line " is used it generally stands for " straight line." 2. The Circle — Definitions. — A circle is a plane figure contained by one line,...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... 