Question

what is herons formula?
explain it by an example.

Answer 1

Answer:

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.

Step-by-step explanation:

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