Heron's formula
Triangle area in terms of side lengths / From Wikipedia, the free encyclopedia
Dear Wikiwand AI, let's keep it short by simply answering these key questions:
Can you list the top facts and stats about Heron's formula?
Summarize this article for a 10 year old
SHOW ALL QUESTIONS
This article is about calculating the area of a triangle. For calculating a square root, see Heron's method.
In geometry, Heron's formula (or Hero's formula) gives the area of a triangle in terms of the three side lengths Letting be the semiperimeter of the triangle, the area is[1]
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.