<p>We give a formula for the area of a simple flat polygon in terms of the lengths of its sides and diagonals, which generalizes Heron’s and Bretschneider’s formulae.</p>

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On the area of simple flat polygons by means of their sides and diagonals

  • Jose-Leonardo Saenz-Cetina

摘要

We give a formula for the area of a simple flat polygon in terms of the lengths of its sides and diagonals, which generalizes Heron’s and Bretschneider’s formulae.