Mr. Smith had 34 of a peach pie left over. He split the leftover pie among his 3 co-workers. What fraction of the pie did each co-worker receive?

The pyraminx is a rubik's cube-type toy in the shape of a tetrahedron. the pyraminx shown below has edges 15\,\text{cm}15cm long and vertical height h=12.2\,\text{cm}h=12.2cm. the triangle drawn with dashed lines is a right triangle. what is the distance rr? round your answer to the nearest tenth.