as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
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identify the properties of a sphere.
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a sphere is a three-dimensional shape with the following properties: it has no edges, no vertices, it is perfectly symmetrical, and all points on the surface are equidistant from the center.  it is also the three-dimensional analog of a circle.
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