Cavalieri’s Principle

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🎬 Video Tutorial

  • (0:01) What is Cavalieri’s Principle?: Cavalieri’s principle states that if two solids have the same height and identical cross-sectional areas, they have the same volume, even if they look different.
  • (1:18) How to Use Cavalieri’s Principle for 3D Shapes: Use Cavalieri’s principle to find the volume of an inclined shape by calculating its upright equivalent’s volume with the formula $\text{base area} \times \text{height}$.

📂 Revision Cards

Two identical stacks of bread slices illustrate Cavalieri's principle, showing that even if one stack is tilted, the total volume remains unchanged.
1) Cavalieri's Principle Introduction
Demonstrating Cavalieri's principle with bread example. The equation shows both stacks have the same volume (1200 cm³).
2) What is Cavalieri's Principle?
Cavalieri’s principle diagram comparing two solids with equal height and cross-sectional areas at every level, explaining they have the same volume.
3) Use Cavalieri's Principle in 3D

🍪 Quiz Time - Practice Now!

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