A layer of equal spheres is in the form of a square. The spheres are arranged so that each sphere is tangent to every one adjacent to it. In the spaces between sets of four adjacent spheres, other spheres rest, equal in size to the original. These spheres form in turn a second layer on top of the first. Successive lauers of this sort form a pyramidal pile with a single resting on top. If the bottom layer contains 16 spheres, what is the height of the pile in terms of the common radius r of the spheres.
A layer of equal spheres is in the form of a square. The spheres are arranged so that each sphere is tangent to every one adjacent to it. In the spaces between sets of four adjacent spheres, other spheres rest, equal in size to the original. These spheres form in turn a second layer on top of the first. Successive lauers of this sort form a pyramidal pile with a single resting on top. If the bottom layer contains 16 spheres, what is the height of the pile in terms of the common radius r of the spheres.
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter9: Surfaces And Solids
Section9.4: Polyhedrons And Spheres
Problem 23E: The surface of a soccer ball is composed of 12 regular pentagons and 20 regular hexagons. With each...
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A layer of equal spheres is in the form of a square. The spheres are arranged so that each sphere is tangent to every one adjacent to it. In the spaces between sets of four adjacent spheres, other spheres rest, equal in size to the original. These spheres form in turn a second layer on top of the first. Successive lauers of this sort form a pyramidal pile with a single resting on top. If the bottom layer contains 16 spheres, what is the height of the pile in terms of the common radius r of the spheres.
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