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a = s√3 ..pangkatkan 2
a² = 3.s²
s² = a²/3
s = √(a²/3)
s = a/(√3)
= (a/3)√3
db = s√2
= (a/3)√3 . √2
= (a/3)√6
3) panjang kawat =
=
=
= 7,63 ft