saifshah78ound7e
saifshah78ound7e saifshah78ound7e
  • 14-08-2017
  • Mathematics
contestada

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

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apologiabiology
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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