Jawaban:
Bangun Ruang
Luas balok :
2 × ( panjang × lebar + lebar × tinggi + panjang × tinggi )
L = 2 × ( p × l + l × t + p × t )
Penyelesaian :
L = 2 × ( 18 × 9 + 9 × 6 + 18 × 6 )
L = 2 × ( 162 + 54 + 108 )
L = 2 × 324
L = 648 Cm²
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Jawaban:
Bangun Ruang
Luas balok :
2 × ( panjang × lebar + lebar × tinggi + panjang × tinggi )
L = 2 × ( p × l + l × t + p × t )
Penyelesaian :
L = 2 × ( p × l + l × t + p × t )
L = 2 × ( 18 × 9 + 9 × 6 + 18 × 6 )
L = 2 × ( 162 + 54 + 108 )
L = 2 × 324
L = 648 Cm²