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What is the approximate circumference of a circle that has a radius of 10 cm round your answer to one decimal place
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What is the approximate circumference of a circle that has a radius of 10 cm round your answer to one decimal place

User Zahirabbas
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the equation for circumference is ( 2 * pi * R ), and the values can be multiplies in any order.

radius of 10 times 2 is 20

now we take 20 * pi (3.14)

which gives us 62.8318530718

then we round up to 68.8
User Salvina
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