In ΔABC, ∠ABC = 6∠ACB and ∠BAC = 5∠ACB. If AB = 7 cm and AC = 25 cm, then the length of BC is equal to:

Answer: Option A

12θ → 180°
θ → 15°
6θ → 90°
Since sum of two angle is equal to the third angle then, it is a right angle triangle.
Hence BC = 24 cm