anonymous
  • anonymous
describe the effect on the area of a circle when the radius is doubled
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
Well, what do YOU think the effect is?
anonymous
  • anonymous
it will double?
anonymous
  • anonymous
Unfortunately not. Area = pi r^2 if r doubles, it becomes pi (2r)^2 = 4r^2

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anonymous
  • anonymous
In general, if you change the length by a factor of k, the area changes by a factor of k^2, and the volume by a factor of k^3
anonymous
  • anonymous
So It increases 4 times
anonymous
  • anonymous
It does.
anonymous
  • anonymous
thanks

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