Jawab:
10 cm
Penjelasan dengan langkah-langkah:
(x+5) + (x+7) + 8 cm = 40 cm
2x = 20 cm
x = 10 cm
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Jawab:
10 cm
Penjelasan dengan langkah-langkah:
(x+5) + (x+7) + 8 cm = 40 cm
2x = 20 cm
x = 10 cm