Find the centroid of the solid region described by the figure. Use a computer algebra system to evaluate the triple integrals. (Assume uniform density and find the center of mass.) -12 cm t5 cm 20 cm...

Find the centroid of the solid region described by the figure.

Extracted text: Find the centroid of the solid region described by the figure. Use a computer algebra system to evaluate the triple integrals. (Assume uniform density and find the center of mass.) -12 cm t5 cm 20 cm y