[Pramāṇa](https://indike.org/pramana/) › [Studies](https://indike.org/pramana/ins) › [Science, technology and education](https://indike.org/pramana/ins.science) › [The Science of the Shulba: A Study in Early Hindu Geometry](https://indike.org/pramana/ins.science.datta-1932) › c10.17 # The Science of the Shulba: A Study in Early Hindu Geometry c10.17 The Science of the Śulba: A Study in Early Hindu Geometry c10.17 - **Language:** English ### [c10.17](https://indike.org/pramana/ins.science.datta-1932.c10.17) Take a cord twice as long as \*BC\*. Make a tie at each of its ends and a mark at the middle. Fasten the two ties at the poles \*B\*, \*C\* and stretch the cord towards the side having taken it by the middle mark. Fix a pole \*D\* at the point reached by the mark. Join \*DA\*. It is the required straight line which is at right angles to \*BC\* at the given point \*A\*. - [Previous: c10.16](https://indike.org/pramana/ins.science.datta-1932.c10.16) - [Next: c10.18](https://indike.org/pramana/ins.science.datta-1932.c10.18) - [Up: c10](https://indike.org/pramana/ins.science.datta-1932.c10) --- Source: [https://indike.org/pramana/ins.science.datta-1932.c10.17](https://indike.org/pramana/ins.science.datta-1932.c10.17) · Pramāṇa