TEACHER-GUIDE-VERIFIED · TG-V9-079

4. Find circumference of an orbit with radius 80,000 km.

Verified solution

Solution: C=2pi(80,000)=160,000pi, about 502,655 km.

Source: Teacher Guide V9 · English V9. Match the numbers and wording in your printed question before using this solution.

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VIDEO HELP · TG-V9-079

Find a Circular Orbit’s Circumference (TG-V9-079)

Use C = 2πr with radius 80,000 km: exactly 160,000π km, approximately 502,655 km. Check circumference divided by diameter equals π.

Space Math Explorers · approved worked example · 1:06 · Watch on YouTube

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These pages reproduce verified solution steps for the registered V9 questions. It does not diagnose learning needs or replace instruction from a qualified teacher or tutor.