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96=3yx2y
96=6y^2
16=y^2
4=y
jadi
K=2(p+l)
=2(3y+2y)
=2(3x4+2x4)
=2(12+8)
=40 cm.
96 cm2 = 3n x 2n
96 cm2 = 6n2
96/6 = n2
16 = n2
n= 4
jadi p= 3(4)= 12 cm
l = 2(4)=8 cm
keliling persegi panjang = 2(panjang + lebar)
= 2(12cm + 8 cm)
= 2(20)= 40
jadi keliling persegi panjang tersebut adalah 40 cm