In the picture, the circle touches two sides of square ABCDat points Mand N. Points Sand The on the sides of the square so that IASI = ICTI and ST is tangent to the circle. If the diameter of the...

In the picture, the circle touches two sides of square ABCDat points Mand N. Points Sand The on the sides of the square so that IASI = ICTI and ST is tangent to the circle. If the diameter of the circle is 2 and so is MC, what is the length of ST? (A) (B) 41n - 2 (C) 215 (D) 3 (E) + 1