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14-08-2017
Mathematics

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what is the perimeter of a quater circle with a radius of 2cm?

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apologiabiology apologiabiology

14-08-2017

that would be 2 times the radius+1/4 of the circumference

circumfernce=2pi times radius

and radius is 2cm

so
the perimiter is 2*2+(1/4)(2pi2)=4+(1/4)(4pi)=4+pi≈7.14 cm

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