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L = 96 cm²
perbadingan p : l = 3 : 2
maka :
L = p x l
96 = 3x x 2x
96 = 6x²
x² = 96/6
x = √16
x = 4 cm
jadi panjang = 3 x 4 = 12 cm
lebar = 2 x 4 = 8 cm
K = 2 x (p+l)
= 2 x (12+8)
= 2 x 20
= 40 cm
L = p x l
96 = 3x x 2x
96 = 6x²
6x²= 96
x² = √ 96 : 6
= √ 16
= 4
Panjang = 3 x 4
= 12cm
lebar = 2 x 4
= 8cm
Keliling = 2 ( p + l )
= 2 ( 12 + 8 )
= 2 x 20
= 40cm