The Lengths of Two Sides of the Right Triangle ABC $28 \sqrt { 2 }$

Multiple Choice

The lengths of two sides of the right triangle ABC are given. Find the length of the missing side. a=12 ft and b=16 ft

A) 20 ft
B) 28 ft
C) $28 \sqrt { 2 }$ ft
D) 4 ft
E) 5 ft