[Pramāṇa](https://indike.org/pramana/) › [Studies](https://indike.org/pramana/ins) › [Science, technology and education](https://indike.org/pramana/ins.science) › [History of Hindu Mathematics: A Source Book](https://indike.org/pramana/ins.science.datta-singh-1935) › v2.c17.s19.2 # History of Hindu Mathematics: A Source Book v2.c17.s19.2 History of Hindu Mathematics: A Source Book v2.c17.s19.2 - **Language:** English ### [v2.c17.s19.2](https://indike.org/pramana/ins.science.datta-singh-1935.v2.c17.s19.2) "The diagonals of the rectangle (generated) are the flank sides of an isosceles trapezium; the square of its side is divided by an optional number and then lessened by that optional number and divided by two; (the result) increased by the upright is the base and lessened by it is the face."⁴ - [Previous: v2.c17.s19.1](https://indike.org/pramana/ins.science.datta-singh-1935.v2.c17.s19.1) - [Next: v2.c17.s19.3](https://indike.org/pramana/ins.science.datta-singh-1935.v2.c17.s19.3) - [Up: v2.c17.s19](https://indike.org/pramana/ins.science.datta-singh-1935.v2.c17.s19) --- Source: [https://indike.org/pramana/ins.science.datta-singh-1935.v2.c17.s19.2](https://indike.org/pramana/ins.science.datta-singh-1935.v2.c17.s19.2) · Pramāṇa