History of Hindu Mathematics: A Source Book v2.c17.s19.t1.53
History of Hindu Mathematics: A Source Book v2.c17.s19.t1.53
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v2.c17.s19.t1.53
He then shows with the help of specific examples (see Figs. 12, 13 & 14) that we can obtain in this way from the same set of two rational right triangles two varieties of rational convex quadrilaterals: One in which the diagonals intersect each other perpendicularly; and the other in which they do so obliquely.