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Rational Trigonometry: Proofs of Platonic Solids

Lets say you did not believe in the beautiful platonic solids? What would be required for proof? Would you need to be convinced to derive the constructions for the proofs of the spreads between regular edges? I think that characteristic (no not angle) will be sufficient to give a strong comparison to the critical student.

Consider a regular quadrilateral. What are the spreads? how can you use the spread to to show proof of this?

Note by Peter Michael
1 month, 1 week ago

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