A. (-45, -2), (-48, -1), (-49, 0), (-48, 1), (-45, 2)

B. (-2, -53), (-1, -50), (0, -49), (1, -48) (2, -45)

C. (-2, -45), (-1, -48), (0, -49), (1, -48) (2, -45)

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.