...triangular^ or square, or hexagon' at, &C. 7. A cone is a round pyramid, having a circular base. , 4. 8. A sphere is a solid, bounded by one continued convex surface, every point of which is equally distant from a point within, call- LJL!| ed the centre. The sphere may -jj',...

...tapers to the vertex. A Sphere, or globe, is a solid bounded by one uniform convex 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 rotation of a semi-circle about its diameter. The.i4.ra...

...square, or hexagonal, 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 may be conceived to be formed by the revolution of a semicircle about its diameter, which remains...

...three lines or sides." " A circle is a plane figure, bounded by a curve line called the circumference, every part of which is equally distant from a point within called the centre." An axiom is a manifest truth not requiring a demonstration : The following are examples of axioms,...

...lines or «ides." " A circle is a plane figure, bounded liy a curre line called the circumference, every part of which is equally distant from a point within called the centre." AD axiom is a manifest truth not requiring a detnonstratipn : The following areexamplcs of axioms,...

...solidity of a globe, or spher-e. NB A globe or sphere is a round body boundedby a surface every point of which is equally distant from a point within called the centre ; a line passing from one side to the other through the centre is called the diameter, or axis. RULE....

...sphere is a solid bounded by a convex surface, every point of which is equally distant from a point C,. within, called the centre. / The axis, or diameter of a sphere, is the right Ifne AB. Fig. 23. A segment of a sphere is a part cut off by a plane A B. If the plane pass...

...of a pyramid, is, multiply the base by the perpendicular height, and take one third of the product. 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. Rule for finding the surface...

...Mirror. SPHERK. or ULOBE, in Geometry, is a solid contained under one uniform surface, every point of which is equally distant from a point within, called the centre of the sphere, and may be conceived to be generated by the revolution ot a semi-circle Rbout its diameter,...

...semi-circle about its diameter, which remains fixed, and is called the axis or diameter of the sphere ; or it is a solid bounded by one continued convex surface,...equally distant from a point within, called the centre. 14. The segment of a sphere is any part of it cut off by a plane. If the plane pass through the centre,...