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πr²t : πr²t
2² t : 1² t
4 : 1
maaf kalau salah
Vtabung1 : Vtabung2
r2 t : r2 t
x 2 x 2 x t : x 1 x 1 x t
habis itu phi sama t nya dicoret nanti perbandingannya jadi
4 : 1