BeautifulMystery.
  • BeautifulMystery.
Estimate the length of the radius, if the area of a circle is 247 mm2. A.9.78 mm B.23.87 mm C.4.43 mm D.8.87 mm
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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lfreeman1285
  • lfreeman1285
The equation for the area of a triangle is \[A=\pi r ^{2}\] You were given the area, and pi is a number, so you just have to solve for r
BeautifulMystery.
  • BeautifulMystery.
circle
lfreeman1285
  • lfreeman1285
You're looking for the radius, right?

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BeautifulMystery.
  • BeautifulMystery.
of a circle yes not a triangle
lfreeman1285
  • lfreeman1285
The equation is for the area of a circle.
lfreeman1285
  • lfreeman1285
If you plug everything in, you'd have \[\sqrt{\frac{ 247 }{ \pi }} = r\] Which simplifies to about 8.87 mm
BeautifulMystery.
  • BeautifulMystery.
thank you☻
lfreeman1285
  • lfreeman1285
no problem :)

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