Luas Permukaan Balok
2 ( pl + pt + lt )
2 ( 40(15) + 40(10) + 15(10) )
2 ( 600 + 400 + 150 )
2 ( 1.000 + 150 )
2 ( 1.150 )
2.300 cm²
LP = 2 × ((P(L) + P(T) + L(T))
LP = 2 × (40(15) + 40(10) + 15(10))
LP = 2 × ((40.15) + (40.10) + (15.10))
LP = 2 × (700 + 400 + 150)
LP = 2 × (1.300 + 150)
LP = 2 × 1.450
LP = 2.900 cm²
koreksi
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Luas Permukaan Balok
2 ( pl + pt + lt )
2 ( 40(15) + 40(10) + 15(10) )
2 ( 600 + 400 + 150 )
2 ( 1.000 + 150 )
2 ( 1.150 )
2.300 cm²
LP = 2 × ((P(L) + P(T) + L(T))
LP = 2 × (40(15) + 40(10) + 15(10))
LP = 2 × ((40.15) + (40.10) + (15.10))
LP = 2 × (700 + 400 + 150)
LP = 2 × (1.300 + 150)
LP = 2 × 1.450
LP = 2.900 cm²
koreksi