Mimi_x3
  • Mimi_x3
Two sections are cut out from a wire of length 25cm. The sections are then used to form two different circles. Find the lowest total area of the circles.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
x + y = 25 where x and y are the circumferences of 2 circles A =[( x /2pi)^2]*pi + [( y /2pi)^2]*pi A = x^2/4pi + y^2/4pi now from first equation y = 25-x plug this into the above equation then differentiate and equate to 0 solve for x and find y calculate the areas using these values
Hero
  • Hero
Good job Jimmy
anonymous
  • anonymous
thanx!

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Mimi_x3
  • Mimi_x3
Thank you (:

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