Did Indians Know That Theorem Before Pythagoras?

Is it possible to draw a square whose area is equal to the sum of the areas of two squares? Similarly, is it possible to draw a square where its area is equal to the difference of the areas of two squares?

Shulba Sutra, one of the ancient Indian mathematical texts not only asks these questions but also gives a brilliant solution. Interestingly the Shulba Sutrakaras (the writers of Shulba Sutras) used the so called Pythagoras Theorem 300 years earlier to Pythagoras!

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