Solve the Problem
-Let Angle POQ Be Designated $\theta$ Angles PQR and VRQ Are Right Angles

Multiple Choice

Solve the problem
-Let angle POQ be designated $\theta$ . Angles PQR and VRQ are right angles. If $\theta = 45 ^ { \circ }$ , find the exact length of $O Q$ .

A) $\sqrt { 2 }$
B) 1
C) 0
D) $\frac { \sqrt { 2 } } { 2 }$