Mathematics in Ancient and Medieval India c6.s9.15

c6.s9.15

| Terms | English Equivalents |
| 1. *avalamba* ( v. 22 ) or *lamba* (v. 23,25,33, etc ) | Perpendicular ( from the vertex to the base of a triangle. ) |
| 2. *anupāta* ( v. 32 ) | Proportion. |
| 3. *āyata* ( v. 36 ) | Rectangle. |
| 4. *bāhu* ( v. 21 ) | Base or face. |
| (1) *pratibāhu* ( v. 21 ) | Opposite side. |
| 5. *bhūja* (v. 21,22,30 etc.) | Side. |
| 6. *bhūmi* ( v. 31 ) | Base. |
| 7. *caturasra* ( v. 23 ) | Square. |
| (i) *aviṣamacaturasra* ( v. 23 ) | Square, rectangle or isosceles trapezium. |
| (ii) *āyatacaturasra* ( v. 35 ) | Square of the side assumed at pleasure. |
| (iii) *dvisamacaturasra* ( v. 36 ) | Quadrilateral having two equal sides. |
| (iv) *viṣamacaturasra* v. 29 ) | Quadrilateral having all unequal sides. |
| 8. *caturbhūja* ( v. 21 ) | Quadrilateral. |
| 9. *ghana* ( v. 6,7,18 etc. ) | Volume. |
| 10. *hṛdaya* ( v. 27 ) | Semidiameter of a circle in contact with the angles of a triangle or quadrilateral. |
| 11. *iṣu* ( v. 42 ) | perpendicular. |
| 12. *jātyā* ( v. 38 ) | Right-angular. |
| 13. *jīvā* ( v. 41 ) | Chord. |
| 14. *karṇa* (v. 23,24,25 etc.) | Diagonal. |