BD = 4 cm dan BC = 13 cmPanjang AD = ?Mohon Bantuannya :)

Bab Segitiga
Matematika SMP Kelas VII

CD = BC – BD
CD = 13 – 4
CD = 9 cm

AD = √(BD x CD)
AD = √(4 x 9)
AD = √(36)
AD = 6 cm