noun
Heron's formula; Hero's formula
Mathematical formula for calculating the area of a triangle from its side lengths. Used in geometry and education.
ヘロンの公式を使えば、三角形の三辺の長さから面積を求められます。
Using Heron's formula, you can find the area of a triangle from the lengths of its three sides.
Named after the ancient Greek mathematician Heron (Hero) of Alexandria. The Japanese term is a direct borrowing of the English 'Heron's formula'.