The points Dleft bracket, 3, comma, minus, 5, right bracket(3,−5), Eleft bracket, 3, comma, 4, right bracket(3,4), and Fleft bracket, minus, 4, comma, 3, right bracket(−4,3) form a triangle. Plot the points then click the "Graph Triangle" button. Then find the perimeter of the triangle. Round your answer to the nearest tenth if necessary.