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17-09-2016
Mathematics

contestada

what is the circumference and area of a circle with a radius of 4 meters? round your answer to the nearest tenth.

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apologiabiology apologiabiology

18-09-2016

c=2pir
a=pir^2

r=4
c=2pi4=8pi m
a=pir^2=pi4^2=16pi m^2

circumference=8pi meters
area=16pi square meters

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