 | Septimus Tebay - Measurement - 1868 - 168 pages
...(C). 13. A radius is a straight line drawn from the centre to the circumference (CD). 14. A diameter is a straight line drawn through the centre, and terminated both ways by the circumference (AE) . 15. A semicircle is the figure contained by a diameter and part of the circumference cut off... | |
 | Isaac Todhunter - Measurement - 1869 - 312 pages
...radius of a sphere is a straight line drawn from the centre to the surface. A diameter of a sphere is a straight line drawn through the centre, and terminated both ways by the surface. The intersection of a sphere with any plane is a circle ; if the plane passes though the centre... | |
 | Euclides - 1871 - 136 pages
...XIV. Any straight line drawn from the centre of a circle to the circumference is called a RADIUS. XV. A DIAMETER of a circle is a straight line drawn through...centre and terminated both ways by the circumference. Tims, in the diagram, 0 is the centre of the circle ABCD, OA, OB, OC, OD are Badii of the circle, and... | |
 | William Chauvenet - Geometry - 1871 - 380 pages
...A radius of the sphere is any straight line drawn from the centre to the surface. A diameter is any straight line drawn through the centre and terminated both ways by the surface. • Since all the radii are equal and every diameter is double the radius, all the diameters... | |
 | Euclides, James Hamblin Smith - Geometry - 1872 - 376 pages
...XIV. Any straight line drawn from the centre of a circle to the circumference is called a RADIUS. XV. A DIAMETER of a circle is a straight line drawn through...centre and terminated both ways by the circumference. Thus, in the diagram, O is the centre of the circle A BCD, OA, OB, OC, OD are Radii of the circle,... | |
 | Euclid, Charles Peter Mason - Geometry - 1872 - 216 pages
...position, so long as their inclination to each other is such as is stated in the definition. Def. XVII. A diameter of a circle is a straight line drawn through...centre, and terminated both ways by the circumference. It is obvious that the half of a diameter is a radius. Def. XXI. A triangle is a plane bounded rectilineal... | |
 | William Chauvenet - Geometry - 1872 - 382 pages
...A radius of the sphere is any straight line drawn from the centre to the surface. A diameter is any straight line drawn through the centre and terminated both ways by the surface. Since all the radii are equal and every diameter is double the radius, all the diameters are... | |
 | Henry Major - Student teachers - 1873 - 588 pages
...the 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...centre, and terminated both ways by the circumference. XVIII. A semicircle is the figure contained by a diameter and the part of the circumference cut off... | |
 | Lewis Sergeant - 1873 - 182 pages
...circle; and the straight lines drawn from the centre to the circumference are called radiuses.t 36. A diameter of a circle is a straight line drawn through...centre, and terminated both, ways by the circumference. 37. "When a parallelogram is subdivided into four parts by straight lines parallel to the sides and... | |
 | Euclides - 1874 - 120 pages
...circumference are equal to one another. 16. And this point is called the centre of the circle. 17. A diameter of a circle is a straight line drawn through...centre, and terminated -both ways by the circumference. 18. A semicircle is the figure contained by a diameter and the part of the circumference cut off by... | |
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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. And this point is called the centre... 
