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Ch. 2 - Acute Angles and Right Triangles
Lial - Trigonometry 12th Edition
Lial12th EditionTrigonometryISBN: 9780136552161당신이 사용하는 게 아니라요?교과서 변경
3장, 문제 2.5.2

CONCEPT PREVIEW Match the measure of bearing in Column I with the appropriate graph in Column II.
I. S 70° W


II. 1. A. B. C. 2. S 70° W 3. 4. D. E. F. 5. 6. 7. G. H. 8. 9. 10. I. J.

검증된 단계별 안내
1
Understand that a bearing is a way to describe direction using degrees measured clockwise from the north line. Bearings are typically given in the format: N or S followed by an angle and then E or W (e.g., S 70° W).
Interpret the bearing S 70° W: start facing due south (180°), then rotate 70° towards the west. This means the direction is 70° west of south.
Convert the bearing into a standard angle measured counterclockwise from the positive x-axis (east) if needed, or visualize it on a compass rose to match it with the correct graph.
Look at each graph in Column II and identify which one shows a vector or line pointing 70° west of south. This involves checking the orientation of the line relative to the cardinal directions shown.
Match the bearing S 70° W with the graph that correctly represents this direction, ensuring the angle and quadrant correspond to the bearing's description.

비슷한 문제에 대한 검증된 영상 답변:

이 영상 해법은 위 문제에 도움이 된다고 튜터들이 추천한 것입니다.
영상 길이:
56s
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주요 개념

질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.

Understanding Bearings

Bearings are a way to describe direction using degrees measured clockwise from the north line. A bearing like S 70° W means starting from the south, rotate 70 degrees towards the west. This system helps in navigation and plotting directions on a map or graph.
추천 영상:
3:22
Example 2

Interpreting Compass Directions

Compass directions combine cardinal points (N, S, E, W) with angles to specify precise directions. For example, S 70° W indicates a direction 70 degrees west of due south. Understanding how to translate these into angles on a coordinate plane is essential for matching bearings to graphs.
추천 영상:
05:13
Finding Direction of a Vector

Graphical Representation of Directions

Graphs or diagrams often depict directions as vectors or lines from a reference point. Matching a bearing to a graph requires visualizing or drawing the angle relative to north or south, then identifying the correct graph that corresponds to the given bearing.
추천 영상:
04:19
Finding Direction of a Vector Example 1