formula of heron
Heron's formula, formula credited to Heron of Alexandria (c. 62 ce) for finding the area of a triangle in terms of the lengths of its sides. In symbols, if a, b, and c are the lengths of the sides: Area = Square root of√s(s - a)(s - b)(s - c) where s is half the perimeter, or (a + b + c)/2.
✓S(S-A)(S-B)(S-C) correct formula of heron
rootS(S-A)(S-B)(S-C)
root S(S-A)(S-B)(S-C)
