anonymous
  • anonymous
Find the circumference and the area of a circle with a radius of 11.2 cm. Round to the nearest tenth.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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Mimi_x3
  • Mimi_x3
well do you know the formula for the circumference of a circle
anonymous
  • anonymous
not really. I've never really been good at this.
Mimi_x3
  • Mimi_x3
okay so a circum of a circle is \(C = 2\pi r\)

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anonymous
  • anonymous
ok
Mimi_x3
  • Mimi_x3
\(r\) is given so you sub it into the formula; and calculate
anonymous
  • anonymous
OK.
Mimi_x3
  • Mimi_x3
nb: area of a cirlce is \(A = \pi r^2\)
anonymous
  • anonymous
Ok. I think I got it now. Thank you!

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