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TEACHER-GUIDE-VERIFIED · TG-V9-013

2. A moon has radius 500 km. Find its surface area.

Verified solution

Solution: A = 4pi r^2 = 4(3.1416)(500^2) = 3,141,600 km^2.

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-V9-013

Surface Area of a Moon | Radius 500 km (TG-V9-013)

Model a moon with radius 500 km as a sphere. Use A = 4πr² and π = 3.1416 to find 3,141,600 km², explain square units, and check with an estimate.

Space Math Explorers · approved worked example · 3:18 · 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.