Mathematics in Ancient and Medieval India c6.s2.7
Mathematics in Ancient and Medieval India c6.s2.7
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c6.s2.7
Mainly pole was fixed on plain uniform ground and a circle was drawn on the ground around the foot of the pole as centre. Then the line joining the points on the circle where the shadows of the pole before noon and afternoon cut the circle served to indicate the east-west line¹. The actual east-west line might have been determined by the shadow of the pole on the equinox day and verified by the rising and setting points of the star *Kṛttikā*².