Given the triangle 13, *, find the length of side a using the Law of Cosines. Round your final 65 11 answer to 4 decimal places. C =To find the distance across a small lake, a surveyor has taken the measurements shown. Find the distance across the lake using this information. 224 mi 45.4\" C 5.45 mi NOTE: The triangle is NOT drawn to scale. Enter your answer as a number; your answer should be accurate to 2 decimai places