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18-04-2018
Mathematics

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In order for a button to fit through its buttonhole, the hole needs to be the size of the button's diameter. What size buttonhole is needed for a button with a circumference of 9.42 centimeters?

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Аноним Аноним

18-04-2018

Circumference = πD

πD = 9.42

D = 9.42 ÷ π

D = 3cm

Answer: The buttonhole needs to have a diameter of 3 cm.

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