Mathematics in Ancient and Medieval India c6.s2.6

c6.s2.6

| Names of Altars | Type | Horizontal Sections | Sectional area |
| 1 ) *Āhavanīya* 2 ) *Gārhapatya* 3 ) *Dakṣiṇāgni* | Class I | Square Circle or Square Semi-circle | 1 sq. *vyāyāma* „ „ |
| 1 ) *Mahāvedi* or *Saumiki vedi* 2 ) *Sautrāmaṇi vedi* 3 ) *Paitṛki-vedi* 4 ) *Prāgvaṃśa* | Class II | Isosceles trapezium Isosceles trap. Isosceles trap. Rectangle | 972 sq. *padas* One third of the *Mahāvedi* i.e. 324 sq. *padas* One ninth of the *Sautrāmaṇikī vedi* — |
| 1 ) *Caturasraśyenacit* 2 ) *Vakrapakṣa vyastapucchaśyena* 3 ) *Kaṅkacit* 4 ) *Alajacit* 5 ) *Prauga* 6 ) *Ubhayata prauga* 7 ) *Rathacakracit* 8 ) *Droṇacit* 9 ) *Śmaśānacit* 10 ) *Kūrmacit* | Class III | Bird with square body (*ātman*) with square wings and square tail Bird with bent wings and out-spread tail Bird Bird Triangle Rhombus Circle Trough Isosceles trap. Tortoise | 7½ sq. *puruṣas* „ „ „ „ „ „ „ „ „ |