History of Hindu Mathematics: A Source Book v2.c17.s10.21

v2.c17.s10.21

For (*iii*) Mahâvîra gives the rule : “Add to and subtract twice the area (of a rectangle) from the square of the diagonal and extract the square-roots. By *saṅkramaṇa* between the greater and lesser of these (roots), the side and upright (are found).”[²]