Karena AB = AC sehingga,
25 cm = 25 cm
86 = 25 + 25 + BC
86 = 50 + BC
BC = 86 - 50
BC = 36 cm (C)
Jawaban : C. 36 cm
Rumus : Keliling = Sisi A + Sisi B + Sisi C
#Matematika
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Karena AB = AC sehingga,
25 cm = 25 cm
86 = 25 + 25 + BC
86 = 50 + BC
BC = 86 - 50
BC = 36 cm (C)
Jawaban : C. 36 cm
Rumus : Keliling = Sisi A + Sisi B + Sisi C
#Matematika