littqueen123 littqueen123

04-06-2020
Mathematics

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Why do you think we need to mulltiply the circle area by two?

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ensiah193 ensiah193

04-06-2020

Answer:

the usual definition of pi is the ratio of the circumference of a circle to its diameter, so that the circumference of a circle is pi times the diameter, or 2 pi times the radius. ... This give a geometric justification that the area of a circle really is "pi r squared".Jan 29, 2008

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