Mathematics · Mensuration
An ancient temple has a spire shaped like a regular right square pyramid. The base edge length is 20 meters, and the total height from the base to the apex is 15 meters. The pyramid is hollow, with all walls having a uniform thickness of 1 meter. Find the volume of the material used to construct the spire.
- 1442.6 m3
- 2572.2 m3
- 3556.8 m3
- 4542.4 m3✓
Correct answer
542.4 m3
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