Question

1.
; He worked on the place value system using
letters to signify numbers. He discovered the position of the nine
planets, their revolution around the sun and the number of days
in a year (that is 365). He was the first to calculate the value for
'T' accurately and devised the formula for calculating areas of
triangles and circles.
India's first satellite Aryabhata was named in his honour.​

Answer 1

Answer:

His name is Aryabhatta