 | William Carter Hughes - Flour mills - 1862 - 348 pages
...GEOMETRICAL DEFINITIONS OF THE CIRCLE AND ITS PARTS. 1. A CIRCLE is a plain figure bounded by a curved line, called the circumference, every part of which is equally distant from a certain point, called the centre. 2. The diameter of a circle is a straight line passing through the... | |
 | George Payn Quackenbos - Physics - 1862 - 468 pages
...changes its direction at every point; as, GH. 4. A Circle is a figure bounded by a curve, every point of which is equally distant from a point within, called the Centre. Fig. 16 represents a circle, and E its centre. 5. The Circumference of a circle is the curve that bounds... | |
 | William Henry Harrison Phillips - Geometry - 1878 - 236 pages
...CIRCLE I. —DEFINITIONS. 1. A circle is a portion of a plane bounded by a curved line every point of which is equally distant from a point wi-thin called the centre. 2. The curve is called the circumference of the circle. 3. An arc is a portion of the circumference... | |
 | James Bates Thomson - Arithmetic - 1878 - 136 pages
...dr. NOTE. — Signs are used only in Astronomy. A Circle is a plane figure bounded by a curve line, every part of which is equally distant from a point within called the center. The adjoining figure is a circle. ADBBF is called the circumference ; AB, the diameter... | |
 | Benjamin Greenleaf - Arithmetic - 1878 - 468 pages
...acres 1 rood 28 rods 24 yards 6.347 feet CIRCLES. 627. A circle is a plane figure bounded by a line, every part of which is equally distant from ' a point within called the center; as AEFGBD. The circumference or periphery of a circle is the line that bounds it. A radius... | |
 | Rolla Rouse - 1879 - 400 pages
...20), is the height or altiiude. 52. SPHERE or GLOBE is a figure terminated at all parts by a surface, every part of which is equally distant from a point within, called the centre. Do. SEGMENT of a pyramid, sphere, or other solid is a part cut off the top by a plane parallel to the... | |
 | David Bain - Geometry - 1879 - 36 pages
...equal. Fig. 23. Fig. 24. Fis- 25. THE CIRCLE. 26. A Circle is a figure bounded by a continuous curved line, called the circumference, every part of which is equally distant from a fixed point within, called the centre. 27. A Radius (plural radii) is any straight line drawn from... | |
 | Edward Olney - Arithmetic - 1879 - 392 pages
...plates is j the spau, etc. 441. A Circle is a plane (flat) figure bounded by a curved line, every point of which is equally distant from a point within called the Centre. The curved line i8 called the Circumference. A line drawn from the centre to the circumference is called... | |
 | James Bates Thomson - Arithmetic - 1879 - 134 pages
...dr. NOTE. — Signs are used only in Astronomy. A Circle is a plane figure bounded by a curve line, every part of which is equally distant from a point within called the center. The adjoining figure is a circle. ADEBF is called the circumference ; AB, the diameter... | |
 | De Volson Wood - Geometry, Analytic - 1882 - 360 pages
...equation, of a plane, (Art. 202). Surfaces of Revolution. 229. The Sphere is a surface every point of which is equally distant from a point within called the centre. It may be generated by the revolution of a semicircle about a diameter. Let r be the radius of the... | |
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A Circle is a plane figure bounded by a curved line called the circumference, every point of which is equally distant from a point within called the centre ; as ABD E. 
