Michael is trying to show that ABC is congruent to A'B'C'by showing that A'B'C''is a reflection of ABC in the r-axis Use the drop-down menus to explain whether Michael is correct ​

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.