3.) Which is the best description of the table below?

*Look at picture for the table*

A. Linear
B. Nonlinear
C. Both linear and nonlinear
D. Neither linear nor nonlinear

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.