Heron's formula
Triangle area in terms of side lengths
Heron's formula
In geometry, Heron's formula (or Hero's formula) gives the area of a triangle in terms of the three side lengths a, b, c. Letting s be the semiperimeter of the triangle, s=12(a+b+c), the area A is A=s(s−a)(s−b)(s−c). It is named after first-century engineer Heron of Alexandria (or Hero) who proved it in his work Metrica, though it was probably known centuries earlier.
Read on Wikipedia · Image Jamgoodman, CC BY-SA 4.0
Open boosters, collect cards and trade them. Free to play.
Play for free