What did Archimedes use to approximate the value of pi?
Circles
Triangles
Hexagons
Polygons
Answer
Archimedes used polygons to approximate the value of pi. By inscribing and circumscribing polygons around a circle, he was able to calculate upper and lower bounds for the value of pi, which he determined to be between 3 1/7 and 3 10/71.
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