(worth 15 points) please help, i’ll give brainliest

The reflexive property of congruence lets you say that ∠pqr ≅

2,10,-50 next two numbers geometric sequence

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.