While underway you sight a light 11° on your...

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Question 1 of 2066636ee928f7522a1c51a501

While underway you sight a light 11° on your port bow at a distance of 12 miles. Assuming you make good your course, what will be your distance off the light when abeam?

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Question 1 of 20

66636ee928f7522a1c51a501

While underway you sight a light 11° on your port bow at a distance of 12 miles. Assuming you make good your course, what will be your distance off the light when abeam?

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🔍 Key Concepts

• Relative bearings and what "abeam" means in navigation • Right triangle trigonometry relating line of sight, closest point of approach, and distance off • How the sine or cosine of a small angle relates opposite and adjacent sides in a right triangle

💭 Think About

• Draw a simple right triangle with your vessel’s track as one side and the line from you to the light as another. Which angle is the 11°? • At the instant you are abeam of the light, what is the angle between your course line and the line of sight to the light? How does that help you find the distance off? • Which basic trig function (sine, cosine, or tangent) correctly relates the initial 12‑mile range, the distance off at abeam, and the along‑track distance you travel before you are abeam?

✅ Before You Answer

• Confirm that "11° on your port bow" is measured from your ship’s heading, not from the beam • Make sure you correctly identify which side of the triangle is the distance off when abeam (it is not the 12‑mile initial distance) • Before picking a choice, check that your computed distance off is less than 12 miles and that it makes sense for a small initial angle like 11°

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Question 1 of 2066636ee928f7522a1c51a501

While underway you sight a light 11° on your port bow at a distance of 12 miles. Assuming you make good your course, what will be your distance off the light when abeam?

Back

Question 1 of 20

66636ee928f7522a1c51a501

While underway you sight a light 11° on your port bow at a distance of 12 miles. Assuming you make good your course, what will be your distance off the light when abeam?

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed