Imagine that you are in a boat at sea. You are lost and you cannot see any land. You radio for help and are told to sail at a bearing of \(125^{\circ}\). What does this mean? A bearing is a direction.

Suppose you were in the middle of nowhere, and there were no signs or landmarks to help you find your way. Would you know how to find your way home? Someone might tell you via phone or radio to 'walk ...