The area of a circle is 39.21cm2. Find the length of the radius rounded to 2 DP.
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Answer:
Radius of a circle is 3.53 cm
Step-by-step explanation:
Area of circle =39.21 sq cm
πr*2=39.21
r*2=39.21/π
r*2=12.48
r=√12.48
r=3.53cm
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