A Geometrical Proof for Hero's Formula

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The following proof is designed to link up Hero's formula geometrically with the formulae for the trigonometrical functions of ½A in a triangle.

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Type: Research Article
Information: Edinburgh Mathematical Notes , Volume 25 , January 1930 , pp. xii - xiii

DOI: https://doi.org/10.1017/S1757748900002036 [Opens in a new window]

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A Geometrical Proof for Hero's Formula

Volume 25
G. D. C. Stokes
DOI: https://doi.org/10.1017/S1757748900002036

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A Geometrical Proof for Hero's Formula

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