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192 = 4y x 3y
192 = 12y²
y² = 16
y = √16 = 4cm
a = 4y
= 4.4 = 16cm
t = 3y
= 3.4 = 12cm
192 = 4y x 2y
192 = 12y^2
192/12 = y^2
16 = y^2
akar 16 = y
4 = y
jadi panjang nya 4y = 4 x 4 = 16
tingginya 3y = 3 x 4 = 12