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

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#1 Re: Introductions » Just saying hello » 2013-03-26 05:23:53

How many vertices in a triangular pyramid and A triangular prism?

#2 Re: Introductions » Just saying hello » 2013-03-26 05:21:52

Struggling with triangular prism vertices and rectangles with autistic Grandson. I have little competence myself

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