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The circular opening of tunnel has a circumference of 25 meters Which equation can be used to find d, the diameter of the tunnel opening in meters

just click the picture

The circular opening of tunnel has a circumference of 25 meters Which equation can be used to find d the diameter of the tunnel opening in metersjust click the class=

Respuesta :

the answer is b because c=2 pi*r

25=2*pi and you divide the 2*pi to the other side  

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