Jawaban:
luas min. Kertas kado yg dubutuhkan = 2.800 cm²
Penjelasan dengan langkah-langkah:
p = 25 cm
l = 20 cm
t = 20 cm
lp = 2(pl + pt + lt)
lp = 2((25 . 20) + (25 . 20) + (20 . 20))
lp = 2(500 + 500 + 400)
lp = 2 x 1.400
lp = 2.800 cm²
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Verified answer
Jawaban:
luas min. Kertas kado yg dubutuhkan = 2.800 cm²
Penjelasan dengan langkah-langkah:
p = 25 cm
l = 20 cm
t = 20 cm
lp = 2(pl + pt + lt)
lp = 2((25 . 20) + (25 . 20) + (20 . 20))
lp = 2(500 + 500 + 400)
lp = 2 x 1.400
lp = 2.800 cm²