Find the Magnitude of the torque about P if a 36-lb force is applied as shown.

I'm not too sure what i'm doing wrong so i'll list the things I do know

I need to use the Cross Product to determine torque.

T = abs(r x F)

From the picture, I decided to use sqrt(32) seeing as that is the hypotenuse.

So basically I do (sqrt32)(36lb)sin(150)

The resulting answer is supposed to be 197 ft-lb but I'm getting something not even close to it. Any help is appreciated.