Books Books
The radius of a sphere is a straight line, drawn from the centre to any point of the...
Elements of Geometry: With Practical Applications ... - Page 224
by George Roberts Perkins - 1847 - 308 pages

## Practical Work in Geography: For the Use of Teachers and Advanced Pupils ...

Henry McCormick - Geography - 1885 - 424 pages
...fixed point. Is it necessary in this definition to say that the "fixed point" must be within ? Why ? The radius of a sphere is a straight line drawn from the center to any point in the surface. The diameter of a sphere is a straight line drawn through the center...

## The Elements of Geometry

Webster Wells - Geometry - 1886 - 392 pages
...curved surface, all •points of which are equally distant from a point within called the centre. A radius of a sphere is a straight line drawn from the centre to the surface, and a diameter is a straight line drawn through the centre, having its extremities in...

## Complete Arithmetic: Elements and Commercial. New Series

Christian Brothers - Arithmetic - 1888 - 242 pages
...through the centre, and terminating at both ends in the circumference. 261. The Radius of a circle is a straight line drawn from the centre to any point in the circumference. The radius is one-half the diameter. CASE I. 262. To find the circumference of a circle,...

## The Elements of Plane and Solid Geometry: With Numerous Exercises

Edward Albert Bowser - Geometry - 1890 - 393 pages
...sphere may be generated by the revolution of a semicircle ACB about its diameter AB as an axis. 658. A radius of a sphere is a straight line drawn from the centre to any point of the surface. A diameter of a sphere is a straight line passing through its centre, and terminating...

## Robinson's New Practical Arithmetic for Common Schools and Academies

Horatio Nelson Robinson - Arithmetic - 1892 - 430 pages
...straight line passing through the center of the sphere, and terminated at both ends by its surface. 548. The Radius of a sphere is a straight line drawn from the center to any point in the surface. EXAMPLES. 549. To find the convex surface of a regular pyramid...

## Robinson's New Practical Arithmetic for Common Schools and Academies

Horatio Nelson Robinson - Arithmetic - 1892 - 428 pages
...straight line passing through the center of the sphere, and terminated at both ends by its surface. 548. The Radius of a sphere is a straight line drawn from the center to any point in the surface. EXAMPLES. 549. To find the convex surface of a pyramid or cone....

## New Practical Arithmetic: In which the Science and Its Applications are ...

Henry B. Maglathlin - 1894 - 368 pages
...curved surface, all points of which are equally -rx distant from a point within called the center. 429. The RADIUS of a sphere is a straight line drawn from the center to any point in the surface. 430. The DIAMETER of a sphere is a straight line drawn through...

## Robinson's New Higher Arithmetic: For High Schools, Academies, and ...

Horatio Nelson Robinson - Arithmetic - 1895 - 526 pages
...straight line passing through the center of the sphere, and terminated at both ends by its surface. 920. The Radius of a sphere is a straight line drawn from the center to any point in the surface. Examples. 921. To find the surface of a sphere. 1. Find the surface...