tolong jawab yaa minta bantuannya

BD = (16x12)/(√16²+12²) = 192/(√256+144) = 192/√400
= 192/20
= 9,6 cm

BC = 16+9 = 25
AC = √16x25 = √400 = 20 cm
AB = √9x25 = √225 = 15 cm