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Key Stage 3 (Junior Secondary)
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3.2 Measures, Shape & Space 度量、圖形與空間
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More about Areas and Volumes
1.1 Trisecting the Cube into 3 Pyramids
1.2 Volume of Pyramids
1.3 Volume of Pyramids - Chinese Proof
2. Curved Surface Area of Cones
3.1 Volume of Spheres
3.2 Surface Area of Spheres