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sebuah prisma balok p = 15 cm, l= 9 cm, t= 6cm
ditanya :
luas permukaan ???
penyelesaian:
luas permukaan balok
= (2×p×l) + (2×p×t) + (2×l×t)
= (2×15×9) + (2×15×6) + (2×9×6)
= 270 + 180 + 108
= 558 cm²
SEMOGA BERMANFAAT ;)