[-/1 Points] DETAILS SPRECALC7 6.6.039. MY NOTES PRACTICE ANOTHER To find the distance across a small lake, a surveyor has taken the measurements shown. Find the distance across the lake using this information. (Assume points A and B are exactly along the shoreline, and that a = 2.32 miles and b = 3.21 miles. Round your answer to two decimal places.) mi B a 40.30 C b A Need Help? Watch It