The triangle on the left is transformed into the triangle on the right. two triangles side by side in the same position with a right arrow between them. in the left triangle, the left side is labeled 15 and 1 half ft and the bottom side is labeled 40 ft. in the right triangle, the left side is labeled 10 and 1 third ft and the bottom side is labeled x ft. to determine the value of x, you must first determine the scale factor used in the transformation. what is the scale factor? enter your answer as a fraction in simplest form in the box.