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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

Respuesta :

isaac45bahr
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

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