tolong ya di cari dengan cara mencarinya pagi ini di kumpul

D. Maaf bangettttttttttttttttttt kalo salah ya maaf

6) B
AC = √AB^2 + BC^2
AC = √12^2 + 9^2
AC = √144 + 81
AC = √225
AC = 15 cm

AD = √AC^2 + CD^2
AD = √15^2 + 8^2
AD = √225 + 64
AD = √289
AD = 17 cm