There are five platonic solids for the 3 dimensional figures.[en.wikipedia.org/wiki/Platonic_solid][ I wonder which kinds of 3 dimensional figures will make up the 4 dimensional figure... https://en.wikipedia.org/wiki/Tesseract There must be a sphere within a sphere...

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TopNewestThis is too abstract for me! – Tim Ye · 4 years, 2 months ago

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– Bob Yang · 4 years, 2 months ago

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There are 6 regular, convex "solids", or polytopes, in 4 dimensions. http://en.wikipedia.org/wiki/Convex

regular4-polytope – Marcus Neal · 4 years, 3 months agoLog in to reply

Hypercube...Torus...can be made from 3-Dimensional figures...!!! – Dinesh Parthasarathy · 3 years, 3 months ago

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