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mina [271]
2 years ago
12

The area of a circle is 18.31cm2.find the length of the radius rounded to 2dp

Mathematics
1 answer:
attashe74 [19]2 years ago
8 0

Answer:

r = 2.41

r = \sqrt{\frac{A}{\pi (22/7)} }

   = \sqrt{\frac{18.31}{\pi (22/7)} }

    = 2.41

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