I liked the Tau Manifesto’s derivation for arbitrary dimensions: <https://tauday.com/tau-manifesto#sec-volume_of_a_hypersphere https://tauday.com/tau-manifesto#

I liked the Tau Manifesto’s derivation for arbitrary dimensions: <https://tauday.com/tau-manifesto#sec-volume_of_a_hypersphere https://tauday.com/tau-manifesto#sec-volume_of_a_hypersphere>.