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Rewrite the formula for the circumference of a circle C=2xpix r in terms of its diameter d. Show your work.
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Rewrite the formula for the circumference of a circle C=2xpix r in terms of its diameter d. Show your work.
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Mar 22, 2019
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Rewrite the formula for the circumference of a circle C=2xpix r in terms of its diameter d. Show your work.
Mathematics
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Cole Tobin
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Cole Tobin
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diameter = 2·radius
С = 2·π·r ⇒ С = π·d
Simonwjackson
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Mar 24, 2019
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Simonwjackson
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Hi there!
The answer is
In this formula d represents the diameter.
We know that 2 times the radius equals the diameter, hence
Therefore we can replace the 2r in the original formula by d, and then we get the following:
Jerry Sha
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Mar 28, 2019
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Jerry Sha
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