 | William Chauvenet - Geometry - 1872 - 382 pages
...0. 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... | |
 | Euclid, Charles Peter MASON - Geometry - 1872 - 216 pages
...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 the 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... | |
 | Euclides, James Hamblin Smith - Geometry - 1872 - 376 pages
...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 the 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... | |
 | Lewis Sergeant - 1873 - 182 pages
...lines drawn from the centre to the circumference are called radiuses.t 36. A diameter of a circle is a straight line drawn through the centre, and terminated both, ways by the circumference. 37. "When a parallelogram is subdivided into four parts by straight lines parallel to... | |
 | Henry Major - Student teachers - 1873 - 592 pages
...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 the centre, and terminated both ways by the circumference. XVIII. A semicircle is the figure contained by a diameter and the part of the circumference... | |
 | Euclides - 1874 - 120 pages
...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 the centre, and terminated -both ways by the circumference. 18. A semicircle is the figure contained by a diameter and the part of the circumference... | |
 | Euclides - 1874 - 342 pages
...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 the centre and terminated both ways by the circumference. 18. A semicircle is the figure contained by a diameter, and the part of the circumference... | |
 | Association for the improvement of geometrical teaching - Geometry, Modern - 1876 - 66 pages
...is a straight line drawn from the centre to the circumference. DEF. io. h. diameter of a circle is a straight line drawn through the centre and terminated both ways by the circumference. [An angle is a simple concept incapable of definition, properly so called, but the nature... | |
 | Edward Atkins - 1876 - 130 pages
...from the centre to tho circuiufeivace "I a radius of the circle]. 1 7. A cliaittetcr of a circle is a straight line drawn through the centre, and terminated both ways by the circumference. 18. A semicircle is the figure contained by a diameter and the part of the circumference... | |
 | Isaac Todhunter - Philosophy - 1877 - 452 pages
...a circle is a straight line drawn from the centre to the circumference. A diameter of a circle is a straight line drawn through the centre and terminated both ways by the circumference. An arc of a circle is any part of the circumference. 20. In Arts. 15. ..19 we have spoken... | |
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... 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. 
