TOPIC:

A2-11: CIRCUMFERENCE VS. DIAMETER - CHAIN ON CYLI 10 years 3 months ago #207

mike1
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ID Code: A2-11
Purpose: Show the relationship between the diameter and the circumference of a circle
Description: A chain, originally wound around a cylinder, is unwound. The diameter of the cylinder can be compared with the length of the chain wound off one turn, so the value of pi may be approximated.
Availability: Available