Jawabanmu

2014-05-03T23:41:06+07:00
4y x 3y = 192
12y² = 192
y² = 16
y = 4

panjang alas = 4y = 4 . 4 = 16
tinggi = 3y = 3 . 4 = 12
2 2 2
2014-05-03T23:45:00+07:00
4y x 3y = 192 cm²
    12y² = 192 cm²
       y² =192/12
       y² = 16
        y = 4

Panjang Alas = 4 x y = 4 x 4 = 16 cm
Tinggi = 3 x y = 3 x 4 = 12 cm
4 4 4