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Lebar = 1,5 × 4 = 6 cm
Tinggi = 4 cm
Rumus Luas Permukaan balok :
( 2 × p × l ) + ( 2 × p × t ) + ( 2 × l × t )
( 2 × 8 × 6 ) + ( 2 × 8 × 4 ) + ( 2 × 6 × 4 )
96 + 64 + 48 = 208 cm
l:1,5×4=6
t:4
{2 (p×l) + (l×t) + (p×t)}
{2 (8×6) + (6×4) + (8×4)}
{2 (48)+(24)+(32)}
2 (104)
208