Respuesta :

Heron's Formula

[tex]\begin{gathered} \text{Area of a triangle = }\sqrt[]{s(s-a)(s-b)(s-c)} \\ a,\text{ b and c are sides of a triangle.} \\ \text{Where } \\ s\text{ = }\frac{a\text{ + b+ c}}{2} \end{gathered}[/tex]

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