Type the correct answer in the box. If necessary, use / for the fraction bar. A cube has a side length of ⅓inch. It would take blocks with a side length of ⅙ Inch to fill the cube. It would take blocks with a side length of 1/9 inch to fill the cube. ​

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.