Question

Caroline is building a circular fence for her basil garden. She used 29.8 feet of fencing for the fence. What is the radius of the garden?

Answer 1

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Given :

• Circumference = 29.8

To find:

• Radius of circle

Solution:-

We know:-

$\rm circumference = 2\pi r$

So:-

$\looparrowright \sf circumference = 2\pi r$

$\looparrowright \sf 29.8= 2\pi r$

$\looparrowright \sf 29.8= 2 \times \dfrac{22}{7} \times r$

$\looparrowright \sf \dfrac{298 \times7}{22 \times 2 \times 10} = r$

$\looparrowright \sf \dfrac{149 \times7}{22 \times 10} = r$

$\looparrowright \sf \dfrac{1043}{220} = r$

$\looparrowright \sf r = 4.74$

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