A and B Represent the Two Legs of a Right $\mathrm { c } = 11$

Multiple Choice

a and b represent the two legs of a right triangle, while c represents the hypotenuse. Find the length of the unknown side.
-

A) $\mathrm { c } = 11$
B) $c = 20$
C) $\mathrm { c } = 19$
D) $\mathrm { c } = 14$