Mathematics in Ancient and Medieval India c6.s9.7

c6.s9.7

| Technical terms in the *Āryabhaṭīya* (c. 499 A. D.) of *Āryabhaṭa I* | Modern English Equivalents |
| 1. *bhūja* (v. 15, 17) | Base of a right angled triangle. |
| 2. *dvādaśaśri* (v. 3, 4) | Cube. |
| 3. *caturbhūja* (v. 13) | Quadrilateral. |
| 4. *ghana* (v. 6) | Volume. |
| 5. *gola-phala* (v. 17) | Volume of a sphere. |
| 6. *karṇa* (v. 13, 17) | (i) Hypotenuse of a right angled triangle. (ii) Diagonal of a square o a rectangle. |
| 7. *koṭi* (v. 16, 17) | Perpendicular of a right angled triangle. |
| 8. *parināha* (v. 7, 10) | Circumference. |
| 9. *phala* (v. 6) | Area. |
| 10. (*ghana*) *ṣaḍaśri* (v. 6) | Triangular pyramid. |
| 11. *samadala-koṭi* (v. 6) | A perpendicular which bisects the base of a triangle (refers to isosceles triangle). |
| 12. *tribhūja* (v. 6, 13) | Triangle. |
| 13. *viṣkambha* (v. 7, 10) | Diameter. |
| 14. *vṛtta* (v. 10, 13, 17) | Circle. |
| 15. *vṛtta-phala* (v. 17) | Volume of a sphere. |