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  1. Feb 2020
  2. marxdown.github.io marxdown.github.io
    Chapter 1 - Commodities
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    1. averywiscomb 07 Feb 2020
      the area of the triangle itself is expressed by something totally different from its visible figure, namely, by half the product of the base multiplied by the altitude

      Calculating the Area of a Triangle

      Calculation Seeming Geometry Euclid Khan Academy Elements CMRG-CMU
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    marxdown.github.io/texts/ch01/