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Line 40: Divide AB and BC into 6 equal parts and use the green triangle as measurement unit of the areas. The triangle ABC contains ~~6<sup><small>3</small></sup> green triangles.~~ : :(1+3+5+7+9+11)<sup>.</sup>6 = 6<sup>2</sup><sup>.</sup>6 = 6<sup>3</sup> green triangles. The parabola circumscribed figure (in red) contains:

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