The Shulbasutras of Baudhayana, Apastamba, Katyayana and Manava: With Text, English Translation and Commentary c8.t21.2
The Śulbasūtras of Baudhāyana, Āpastamba, Kātyāyana and Mānava: With Text, English Translation and Commentary c8.t21.2
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c8.t21.2
**7.1-7.2.** *Sada and uparava.* For the construction of rectangular *sada* altar of length 27 *aratnis* and breadth 9 *aratnis*, the method of one-cord (*ekarajjuvidhi*) for a = 27 has been used, with the help of the following relation: $27² + (11¼)² = (29¼)²$ The *sada* is also a rectangle of length 18 *aratnis* and breadth 10 *prakramas* (*Bśl.* 4.1 ff) where relation, 18² + (7½)² = (19½)², holds good. For *uparavas*, *vide Bśl.* 4.1.-4.2.