Abstract
The article acquaints readers to several types of triagles, their lengths of sides are integer. There are presented Pythagorian, Babylonian, Heronian triangles and triangles with the same perimeter and area.
The article acquaints readers to several types of triagles, their lengths of sides are integer. There are presented Pythagorian, Babylonian, Heronian triangles and triangles with the same perimeter and area.