Point O is the centroid of triangle STU. The internal line segments are the medians of the triangle. The length of median PU is 81 millimeters.

The length of segment PO is ____ millimeters, and the length of segment OU is ____ millimeters.

Point O is the centroid of triangle STU The internal line segments are the medians of the triangle The length of median PU is 81 millimeters The length of segme class=