Discussion 5. Circumference of a Circle

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8 unread replies.

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8 replies.

What do you think about magic number?

Read/watch the attached article(s) and then answer the following question:

Can you construct a circle with circumference equalexactly1m ?

https://www.khanacademy.org/math/basic-geo/basic-geo-area-and-perimeter/area-circumference-circle/a/radius-diameter-circumference

or

http://www.mathgoodies.com/lessons/vol2/circumference