Laineyburrough09 Laineyburrough09
  • 11-08-2017
  • Mathematics
contestada

The area of a semicircle is A=1/2(3.14)r^2 solve for r

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Аноним Аноним
  • 11-08-2017
first divide bot sides of the formula by 1/2(3.14):-

2A / 3.14 =  r^2

r = sqrt (2A/3.14)
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