Polar Moment of Inertia Question

[wvgirl14]

I know I am missing something simple here:

A L shape:

The dimensions are 3 cm long x 0.50 cm wide and the horizontal member of the L is 0.5 cm long x 5 cm wide.

What is the polar moment of gyration? Formula to use I think would be:

I'xyc=Ixyc+dxdyA

Where to go from here?

What is the breakdown?

 

[wvgirl14]

Never Mind I figured it out. It was simple. I just over thunk it.