Question

what is heron's formula
byy guys​

Answer 1

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In geometry, Heron's formula (sometimes called Hero's formula), named after Hero of Alexandria, gives the area of a triangle when the length of all three sides are known. Unlike other triangle area formulae, there is no need to calculate angles or other distances in the triangle first.

Let say, if the length of three sides are a, b, and c, then its semi-perimeter is. s=a+b+c2. Thus, the area is given by, A=√s(s−a)(s−b)(s−c)

$Area = \sqrt{s(s - a)(s - b)(s - c)}$