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2 : 3
2y : 3y
luas = d1 x d2 x 1/2
48 = 2y x 3y x 1/2
48 x 2 = 2y x 3y
96 = 6y²
96/6 = y²
16 = y²
y = √16
y = 4
AC = 2y = 2 x 4 = 8 cm
BD = 3y = 3 x 4 = 12 cm