Penjelasan dengan langkah-langkah:
diketahui : P = 100 cm
L = 15 cm
T = 20 cm
ditanya : luas permukaan?
jawab :
L = 2 × ((P × L) + (P × T) + (L × T))
= 2 × ((100 × 15) + (100 × 20) + (15 × 20))
= 2 × (1500 + 2000 + 300)
= 2 × 3800
= 7600
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Penjelasan dengan langkah-langkah:
diketahui : P = 100 cm
L = 15 cm
T = 20 cm
ditanya : luas permukaan?
jawab :
L = 2 × ((P × L) + (P × T) + (L × T))
= 2 × ((100 × 15) + (100 × 20) + (15 × 20))
= 2 × (1500 + 2000 + 300)
= 2 × 3800
= 7600