Alarge painting in the style of rubens is 3 ft longer than it is wide. if the wooden frame is 12 in. wide, the area of the picture and frame is 208ft squared, find the dimensions of the painting.

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.