trina685 trina685

18-01-2015
Mathematics

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What is the circumference of a circle when the diameter is 8 cm?

Respuesta :

18-01-2015

circumference= π multiplied by diameter
circumference = π multiplied by 8 cm

circumference= 25.13 cm (to two decimal places)

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wicketsnout wicketsnout

18-01-2015

25.12
the formula is pi*r*2
the diameter is 2 times the radius.
8 times pi is 25.12

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