Jawaban:
Panjang BC adalah 30 cm
Penjelasan dengan langkah-langkah:
AC = AB = 5 cm
Keliling = 40 cm
AB + BC + AC = 40 cm
5 cm + BC + 5 cm = 40 cm
BC + 10 cm = 40 cm
BC = 40 cm - 10 cm
BC = 30 cm
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Jawaban:
Panjang BC adalah 30 cm
Penjelasan dengan langkah-langkah:
AC = AB = 5 cm
Keliling = 40 cm
AB + BC + AC = 40 cm
5 cm + BC + 5 cm = 40 cm
BC + 10 cm = 40 cm
BC = 40 cm - 10 cm
BC = 30 cm