Owen is rowing a boat gently down the stream. The length of the oar from the side of the boat to the tip of the blade is c=8 feet. At any given moment, the oar makes an angle with the side of the boat, as indicated in the figure. Determine the angle when the tip of the blade is positioned at a distance of b = 6 feet from the boat. Write your answer in degrees. Round to two decimal places if necessary. eft bft