Jyotihshastra: Astral and Mathematical Literature c3.29

c3.29

The solutions utilized by the sūtrakāras involve the knowledge of a number of specific right-angled triangles (e.g., 3, 4, 5; 5, 12, 13; 7, 24, 25; 8, 15, 17; 12, 35, 37; and 15, 36, 39) as well as the general rule that the square on the diagonal of a rectangle (square or oblong) is equal to the sum of the squares on two sides; of the approximation