For the area shown, determine:
a) The centroidal coordinates X and Y.
b) The moment of inertia about the X and Y axes (IxeIy) .
c) The polar moment of inertia about the origin (Jo) .
d) The moment centroidal polar of inertia (Jc).
Extracted text: y 20 mm 30 mm 20 mm 10 mm