Answer:
3/2
Step-by-step explanation:
Area of a right triangle is [tex]\ \frac{Base \times Perpendicular }{2}[/tex]
so you have:
[tex]12 = \frac{16 \times Perpendicular}{2}[/tex]
[tex]Perpendicular = \frac{12 \times 2}{16} =\frac{24}{16} =\frac{3}{2}[/tex]