Penjelasan dengan langkah-langkah:
luas = phi x r x r
luas = phi x 1/2d x 1/2d
luas = phi x 1/4 d^2
4 x luas = phi x d^2
d^2 = 4 × luas / phi
d = 2 x Vluas/phi
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Penjelasan dengan langkah-langkah:
luas = phi x r x r
luas = phi x 1/2d x 1/2d
luas = phi x 1/4 d^2
4 x luas = phi x d^2
d^2 = 4 × luas / phi
d = 2 x Vluas/phi