David W. answered • 01/18/23
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The definition of π is circumference / diameter [ π = C / d ] of a circle.
C = πd ... is an easy calculation!
What is the Circumference of a circle with a diameter of 4 cm.?
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Philip P. answered • 01/17/23
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Circumference = 2·π·r
where r is the radius of the circle. If the diameter is 4 cm, what is the radius?
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