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Volume and surface area of cubes

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Learn it Cube with edge s: volume $s^3$, surface area $6s^2$. Doubling the edge multiplies area by 4 and volume by 8.

Example: A cube has surface area 150 cm². Find its volume.

  1. One face: $150 \div 6 = 25$ cm², so $s = 5$ cm.
  2. Volume: $5^3 = 125$ cm³.

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