According to da Vinci, the area of a circle is the same as that of a rectangle with base and side i.e., According to Rabbi Abraham bar Hiyya, the area of a circle equals that of a triangle with base and altitude Both explanations rely on the concept of the limit.
Meaning of Indian name: Naina. Meaning of the name Naina is 'Eyes'. Naina is a name of Hindu / Indian origin, and is commonly used for females.The name number for Naina is '3'. Click here to get the numerological analysis for the name 'Naina'.eaning of Indian name: Naina. Meaning of the name Naina is 'Eyes'. Naina is a name of Hindu / Indian origin, and is commonly used for females.
Meanings and history of the name Zina: | Edit. It is of Greek origin and means shining  or going back. Another meaning for it is sun flower , also in Arabic it means beautiful and strong. It is originally of Arabic origin.eanings and history of the name Zina: | Edit. It is of Greek origin and means shining  or going back. Another meaning for it is sun flower , also in Arabic it means beautiful and strong. It is originally of Arabic origin.