Quote:
Originally Posted by Snaqwells
In math, a cylinder continues indefinitely.
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It does? Don't you mean a right cylinder?
A cylinder is one of the most basic curvilinear geometric shapes, the surface formed by the points at a fixed distance from a given straight line, the axis of the cylinder. The solid enclosed by this surface and by two planes perpendicular to the axis is called a cylinder. In common usage, a cylinder is taken to mean a finite section of a right circular cylinder with its ends closed to form two circular surfaces.