[Pramāṇa](https://indike.org/pramana/) › [Studies](https://indike.org/pramana/ins) › [Science, technology and education](https://indike.org/pramana/ins.science) › [The Shulbasutras of Baudhayana, Apastamba, Katyayana and Manava: With Text, English Translation and Commentary](https://indike.org/pramana/ins.science.sen-bag-1983) › c8.t2.71 # The Shulbasutras of Baudhayana, Apastamba, Katyayana and Manava: With Text, English Translation and Commentary c8.t2.71 The Śulbasūtras of Baudhāyana, Āpastamba, Kātyāyana and Mānava: With Text, English Translation and Commentary c8.t2.71 - **Language:** English ### [c8.t2.71](https://indike.org/pramana/ins.science.sen-bag-1983.c8.t2.71) Let 2a be the side of the square \*ABCD\*. $OF = a + ⅓ (a √2 - a)$ or r = a \[1 + ⅓ (√2 - 1)\], where OF = r or r = a/3 (2 + √2) - [Previous: c8.t2.70](https://indike.org/pramana/ins.science.sen-bag-1983.c8.t2.70) - [Next: c8.t2.72](https://indike.org/pramana/ins.science.sen-bag-1983.c8.t2.72) - [Up: c8.t2](https://indike.org/pramana/ins.science.sen-bag-1983.c8.t2) --- Source: [https://indike.org/pramana/ins.science.sen-bag-1983.c8.t2.71](https://indike.org/pramana/ins.science.sen-bag-1983.c8.t2.71) · Pramāṇa