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21-04-2021
Mathematics

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A circle has a diameter of 42 inches. What is the circumference of the circle? Use 227 for π.

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22-04-2021

Answer:

132 in = C

Step-by-step explanation:

Please, write 22/7 to approximate π.

The circumference formula is C = 2πr or dπ, and here C = (42 in)π

Then an approximation to the circumference of this circle is

42(22/7) = 6(22 in) = 132 in = C

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