(Answer both please will give a brainlest )
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-2.92 miles and b-3.91 miles. Round your answer to two decimal places)


A parallelogram has sides of lengths 5 and 4, and one angle is 60°. Find the lengths of the diagonals. (Round your answers to two decimal places. Enter your answers as a comma-separated list