Question: A different method of approximating a sphere starts with a regular tetrahe-dron, which is constructed from four triangles. Find its vertices, assuming thatit is centered

A different method of approximating a sphere starts with a regular tetrahe-dron, which is constructed from four triangles. Find its vertices, assuming thatit is centered at the origin and has one vertex on they-axis. Derive an algo-rithm for obtaining increasingly closer approximations to a unit sphere, basedon subdividing the faces of the tetrahedron

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