Shulba Sutras

The Sulbasutras ( " string rules" or "Guide to Measuring Art " ) are Indian records from the middle of the first millennium BC ( Vedic period). They contain geometric rules for investment of altars. Three of these have been preserved:

  • Baudhayana exacts - Sulbasutra ( about 600 to 500 BC)
  • Apastamba - Sulbasutra ( about 500 to 400 BC)
  • Katyayana - Sulbasutra ( about 400 to 300 BC)

These three fonts have the same content substantially. In them we find the right angle construction with the help of right triangles whose side lengths Pythagorean triples ( 13, for example, 3, 4, 5, and 5, 12, ) are. The conversion of a rectangle into a square of equal area can be found there. As an approximation for the value of the square root of 2 is

Specified.

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