| Alfred Newsom Niblett - 1861
...tiie squares of the diameters. PROBLEM 12. To find the area of an ellipse. DEFINITIONS. An ellipse **is a plane figure bounded by a curved line, called the circumference;** but as the figure is not a circle, it is described from two points in the longest diameter, called... | |
| George Payn Quackenbos - 1862 - 450 páginas
...one that 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... | |
| Edward Brooks - 1863 - 337 páginas
...latitude and longitude, difference of time, etc. 203. A Circle is a plane surface bounded by a curve line, **every point of which is equally distant from a point within called** the centre. 204. The bounding line is called the circumference; the distance from the centre to the... | |
| Joseph Hutchins Colton, Charles Carroll Morgan - 1863 - 588 páginas
...everywhere | equally distant from each other. 4. A CIRCLE is a plane figure, bounded by a line, every part **of which is equally distant from a point •within, called the center.** 5. The CIRCUMFERENCE3 OF A FLAXE FIGURE is the line which bounds it. 6. A DIAMETEJ!5 OF A PLANE FIGURE... | |
| William Frothingham Bradbury - 1864
...triangle or quadrilateral Thus, IJ is the base and LY the altitude of IJ K L. 33. A CIRCLE is a plane **bounded by a curved line, called the circumference,...which is equally distant from a point within, called** the centre ; as ABD E. The circumference of every circle is supposed to be divided into 360 equal parts,... | |
| Eli Todd Tappan - 1864 - 276 páginas
...circle. Hence, the following definitions : A CIRCLE is a portion of a plane bounded by a line called a **CIRCUMFERENCE, every point of which is equally distant from a point within called the CENTER.** 146. Theorem. — A circumference is curved throughout. For a straight line can not have more than... | |
| Great Britain. Committee on Education - 1864
...equiangular when all its angles are equal. When both these are equal, it is a regular figure. A Circle **is a plane figure bounded by a curved line, called the Circumference,** which is every where equidistant from a point within, called its Centre. The circumference is sometimes... | |
| Stoddard A. Felter - 1864 - 394 páginas
...that side produced ; as, EF, I^ier. 10. IJ I ". A Circle is a plane surface bounded by a curved line, **every point of which is equally distant from a point within called** the centre ; as, ABC D. 347. The Circumference of a circle is the curved line by which it is bounded... | |
| Thomas Baker (C.E.) - 1865
...round pyramid, having a circular base. 8. A sphere is a solid bounded by one continued convex surface, **every point of which is equally distant from a point within, called** the centre. — The sphere maybe conceived to be formed by the revolution of a semicircle about its... | |
| Albert Taylor Bledsoe, Sophia M'Ilvaine Bledsoe Herrick - 1867
...perimeter of the polygon.'* But, on the contrary, 'A circle is a plane figure, bounded by a curved line, **every point of which is equally distant from a point within, called** the centre.'^ Now, here, as in all other works on Geometry, the polygon and the circle are defined... | |
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