Question

What is herons formula?

Answer 1

herons formula is the formula which is used to calculate the area of a triangle whose 3 sides are given.
√s(s-a)(s-b)(s-c)
where a,b&c are the sides of the triangle 

and,  s stands for the semi perimeter  
 s=(a+b+c)/2

Answer 2

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❤.${S}$=$\frac{a+b+c}{2}$.

❤.$\sqrt{S(s-a)(s-b)(s-c)}$.

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