A pole that is 3m high is connected by a guy wire from the top to a stake in the ground 1.5m from its base. How long is the wire? A) 1.2
B) 2.7
(C) 3.4
D 4.1

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.