The Shulbasutras of Baudhayana, Apastamba, Katyayana and Manava: With Text, English Translation and Commentary c8.t2.50
The Śulbasūtras of Baudhāyana, Āpastamba, Kātyāyana and Mānava: With Text, English Translation and Commentary c8.t2.50
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c8.t2.50
Now, rect. ABCD = sq. AKMG - sq. *FLMH*, which shows that the rectangle *ABCD* is expressed as the difference of two squares. Since the method of *nirhāra* has already been taught before by Baudhāyana (*Bśl.* 2.2), a square equal to the difference of the two squares mentioned above is found by allowing the side *KM* to fall at *P* over *BH*. Then the square on *BP* will be equal to the difference of two squares, which is equal to the area of the given rectangle.