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Perbandingan Luas Lingkaran Yang Berdiameter 2 Cm & 4 Cm = Luas Lingkaran Berdiameter 2 : Luas Linglaran Yang Berdiameter 4
= Phi x (D/2)² : Phi x (D/2)²
= Phi x (2/2)² : Phi x (4/2)²
= 1² : 2²
= 1 : 4 ( B )