Use the Pythagorean Theorem to Find the Length of the Missing

Multiple Choice

Use the Pythagorean Theorem to find the length of the missing side.Then find the indicated trigonometric function
of the given angle. Give an exact answer with a rational denominator.
-Find $\sin \theta$ .

A) $\frac { 3 } { 8 }$
B) $\frac { 8 \sqrt { 55 } } { 55 }$
C) $\frac { 3 \sqrt { 55 } } { 55 }$
D) $\frac { \sqrt { 55 } } { 8 }$