[Pramāṇa](https://indike.org/pramana/) › [Studies](https://indike.org/pramana/ins) › [Science, technology and education](https://indike.org/pramana/ins.science) › [Indian Mathematics](https://indike.org/pramana/ins.science.kaye-1915) › c7.45 # Indian Mathematics c7.45 Indian Mathematics c7.45 - **Language:** English ### [c7.45](https://indike.org/pramana/ins.science.kaye-1915.c7.45) (\*iv\*) If a²+b²=c² and α²+β²=γ² then the quadrilateral (aγ, cβ, bγ, ca) is cyclic and has its diagonals at right angles. - [Previous: c7.44](https://indike.org/pramana/ins.science.kaye-1915.c7.44) - [Next: c7.46](https://indike.org/pramana/ins.science.kaye-1915.c7.46) - [Up: c7](https://indike.org/pramana/ins.science.kaye-1915.c7) --- Source: [https://indike.org/pramana/ins.science.kaye-1915.c7.45](https://indike.org/pramana/ins.science.kaye-1915.c7.45) · Pramāṇa