Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °

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do we need to say about the domain?

**math-worm**- Replies: 2

how to prove that the volume of the cone is 1/3S*H without using any calculus----no intergration!:D

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