KAT is painting the edge of a triangular stage prop with reflective orange paint. The length of the edges of the triangle are (3x -4) Feet (x the power of 2 - 1 ) feet. and 2x to the power of 2 - 15 ) feet. What perimeter of the triangle if x =4 ? Which anwser is it can you write problem out so i can see how its done. 16 feet 40 feet 76 feet 80 feet