If the radius of a circle is made 6 times, find out the effect on perimeter?
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perimeter or it's circumference=2πr
r'=6r
new circumference =2πr'
=2*π*6r
=12πr therefore the circumference is also 6 times the original circumference
r'=6r
new circumference =2πr'
=2*π*6r
=12πr therefore the circumference is also 6 times the original circumference
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