 | William Vogdes - Arithmetic - 1847 - 324 pages
...is called the tranverse, and the shortest the conjugate. 44. A sphere or globe is a solid described by the revolution of a semicircle about its diameter, which remains fixed 45. The diameter of a sphere is a right line passing through the centre, and terminated on each side... | |
 | John Bonnycastle - Geometry - 1848 - 320 pages
...pyramid ; when a pentagon, it is called a pentagonal pyramid, &c. 8. A sphere is a solid described by the revolution of a semicircle about its diameter, which remains fixed. 9. The centre of a sphere is a point within the figure, everywhere equally distant from the convex surface... | |
 | Almon Ticknor - Measurement - 1849 - 156 pages
...When the base is a triangle, it is called a triangular pyramid, &c. 7. A sphere is a solid described by the revolution of a semicircle about its diameter, which remains fixed ; as ABC D. The centre of a sphere is a point within the figure, equally distant from every part 311... | |
 | Rufus Putnam - Arithmetic - 1849 - 402 pages
...parallel to its base. 8. A FRUSTUM is the part left at the bottom after the segment has been cut off. 9. The axis of a solid is a line drawn from the middle of one end to the middle of the opposite end. 10. A SPHERE, or GLOBE, is a solid bounded by... | |
 | Benjamin Greenleaf - Arithmetic - 1850 - 368 pages
...surface, every point of which is equally distant from a point within, called the centre. The sphere may be conceived to be formed by the revolution of a semicircle about its diameter, which remains fixed. 9. The segment of a pyramid, sphere, or any other solid, is a part cut ofF the top by a plane parallel to... | |
 | Charles Guilford Burnham - 1850 - 350 pages
...surface, every point of which is equally distant from a point within, called the centre. The sphere may be conceived to be formed by the revolution of a semicircle about its diameter, which remains fixed. A hemisphere is half a sphere. 9. The segment of a pyramid, sphere, or any other solid, is a part cut... | |
 | Benjamin Greenleaf - Arithmetic - 1851 - 372 pages
...surface, every point of which is equally distant from a point within, called the centre. The sphere may be conceived to be formed by the revolution of a semicircle about its diameter, which remains fixed. A hemisphere is half a sphere. 9. The segment of a pyramid, sphere, or any other solid, is a part cut... | |
 | Euclides - Geometry - 1853 - 334 pages
...and parallel to one another, and the rest parallelograms. XIV. A sphere is the solid figure generated by the revolution of a semicircle about its diameter, which remains fixed. XV. The axis of a sphere is a fixed straight line about which the generating semicircle revolves. XVI.... | |
 | Royal Military Academy, Woolwich - Mathematics - 1853 - 400 pages
...describe a circle." Euclid's definition of a sphere is : — " A sphere is a solid figure described by the revolution of a semicircle about its diameter which remains fixed." This might have been given thus : " A sphere is a figure contained by one surface, and is such that... | |
 | Noble Heath - 1855 - 468 pages
...content of the above room in cubic yards ? Ans. 130,69 +. 606. The sphere is a solid figure generated by the revolution of a semicircle about its diameter, which remains fixed. To find the surface of a sphere : Multiply the circumference of the circle, of which the revolving... | |
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The sphere may be conceived to be formed by the revolution of a semicircle about its diameter, which remains fixed. 
