Mathematics in Ancient and Medieval India c6.s9.13

c6.s9.13

There are two fundamental bases usually adopted for naming geometrical figures depending on the relation between i) sides constituting the figure and ii) angles contained in the figure. Shortly they may be called side basis and angle basis. In Indian treatises both these types are found to occur. As already stated in the list for technical terms of the *Śulbasūtras*, the following terms are found to occur : *same-caturasra* ( square ), *dīrgha-caturasra* ( rectangle ) which are based on the relation of the sides and the terms *karṇa* ( angle ),