Jawab:
Segitiga sama kaki
Pjg sisi =(70 - 20):2
=50:2
=25
Jawab: AC = 25 cm
Penjelasan dengan langkah-langkah:
Diketahui :
AB = 20 cm
AC = BC
Keliling segitiga = 70 cm
Mencari panjang sisi segitiga
K = AB + AC + BC
70 = 20 + AC + AC
70-20 = 2AC
50 = 2AC
AC = 50/2
AC = 25 cm
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Jawab:
Segitiga sama kaki
Pjg sisi =(70 - 20):2
=50:2
=25
Jawab: AC = 25 cm
Penjelasan dengan langkah-langkah:
Diketahui :
AB = 20 cm
AC = BC
Keliling segitiga = 70 cm
Mencari panjang sisi segitiga
K = AB + AC + BC
70 = 20 + AC + AC
70-20 = 2AC
50 = 2AC
AC = 50/2
AC = 25 cm