Answer:
15 is the length of the missing side
Step-by-step explanation:
Use the Pythagoras Theorem to find the missing side:
[tex]leg_2=\sqrt{hyp^2-leg_1^2} \\leg_2=\sqrt{113^2-112^2} \\leg_2=\sqrt{225} \\leg_2=15[/tex]
Therefore the missing side is 15 units long.