If the radius is 8.1 cm then what is circumference

asked Jun 5, 2017 130k views

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circumference of a circle = 2πr
circumference = 2xπx8.1
=16.2π cm
=50.89cm (2dp)

Chas answered Jun 7, 2017

by Chas

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Hey there o see to need help well I am here to do just that you have to multiply 8.1 x pi(3.14) and get 25.434

Pjulien answered Jun 12, 2017

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