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geom3d[radius] - compute the radius of a given object
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Calling Sequence
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radius(obj)
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Description
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If obj is a sphere, radius(obj) returns the radius of obj.
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If obj is a regular polyhedron or an archimedean solid, radius(obj) returns the radius of the circum-sphere which passes through all the vertices.
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If obj is a dual of an archimedean solid, radius(obj) returns the radius of the in-sphere which touches all the faces.
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The command with(geom3d,radius) allows the use of the abbreviated form of this command.
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Examples
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![sphere(s, x^2+y^2+z^2 = 2, [x, y, z])](/support/helpjp/helpview.aspx?si=5945/file04026/math67.png)
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Download Help Document
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