Solve the answer, just write the number answer, do not write x =. Ex. if the answer is x = -1, write -1 in the answer blank. If there are two answers, separate them with a comma from least to greatest, -1, 2. *

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.