6.3 covert to fractional form like a fraction and get a like and brainiest !

In right ∆abc shown below, the midpoint of hypotenuse ac is located at d and segment bd is drawn.if ab = 12 and bc = 16, then explain why bd = 10. hint: consider what you know about the diagonals of a rectangle.

Math question.. plz me .. best answer all

The answer is 7.2 how would you put this as money