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TEACHER-GUIDE-VERIFIED · TG-V9-062

3. Find the volume of a hemispherical roof with radius 4 m.

Verified solution

Solution: Half a sphere: V=(2/3)pi r^3=(128/3)pi, about 134.0 m^3.

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-V9-062

Find a Hemispherical Roof’s Volume (TG-V9-062)

Halve the sphere volume for a roof of radius 4 m: (2/3)πr³ = (128/3)π, about 134.0 cubic meters. Check by doubling. This is enclosed geometric volume, not roofing material volume.

Space Math Explorers · approved worked example · 1:09 · 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.