Quussss quissss yu bisa yu​

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Quussss quissss yu bisa yu​

Quussss quissss yu bisa yu​

~Luas permukaan

Lp = 2 × (pl + pt + lt)

= 2 × ((25 × 14) + (25 × 18) + (14 × 18))

= 2 × (350 + 450 + 252)

= 2 × (800 + 252)

= 2 × 1052

= 2.104 cm²

Lp balok= 2 × ((pl) + (pt) + (lt))

= 2 × ((25×14) + (25×18) + (18×14))

= 2 × (350 + 450 + 252)

= 2 × 1.052

= 2.104cm²

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