Mathematics, 22.06.2019 01:30, nickeymcorrea

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.

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The pyraminx is a rubik's cube-type toy in the shape of a tetrahedron. the pyraminx shown below has...