Atriangular sail has two sides the same length. the third side is 9ft shorter than either of the equal sides. the perimeter of the sail is 63 ft. how long is the shortest side?

Television sizes are based on the length of the diagonal of the television's rectangular screen. so, for example, a 70-inch television is a television having a diagonal screen length of 70 inches. if a 70 inch television's diagonal forms a 29°angle with the base of the screen, what is the vertical height (1) of the screen to the nearest inch? 70 inhin