This question tests which numbers are valid bearings.
Remember: bearings must be 000°–360° and always three digits. Draw a compass for clarity.
Bearings represent directions as angles measured clockwise from North, using three digits from 000° to 360°. Valid bearings include 045°, 090°, 135°, 270°. Bearings outside this range or without three digits are invalid. Students should practise identifying valid bearings from multiple-choice options and visualising them on a compass diagram. Understanding the valid range and format ensures accurate navigation and problem-solving. Using three digits avoids ambiguity, e.g., 045° instead of 45°. Mastery of valid bearings helps in navigation exercises, exam questions, and real-world applications like aviation and marine navigation. Practice regularly to gain confidence in quickly spotting valid and invalid bearings.
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