3 years ago

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

Mathematics

1 answer:

attashe74 [19]3 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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