abrilroblero9
abrilroblero9 abrilroblero9
  • 01-02-2017
  • Mathematics
contestada

What for the radius have to be so the area and circumference and area are the same

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Moskid
Moskid Moskid
  • 27-02-2017
area of a circle = circumference of a circle
πr² = 2πr
r²=2πr÷π
r²÷r=2r÷r
r=2
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