In △ ABC, a, B, C, is the length of three sides, if the square of a plus the square of B equals 25. A minus B equals 7, and C = 5, then the height of the largest side is

In △ ABC, a, B, C, is the length of three sides, if the square of a plus the square of B equals 25. A minus B equals 7, and C = 5, then the height of the largest side is

12/5